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CBSE MATHEMATICS FOR CLASS XI

THOROUGHLY REVISED AS PER NEW CBSE SYLLABUS

Strictly as per the new CBSE course structure and NCERT guidelines, this thoroughly revised and updated textbook is designed for class XI of senior secondary schools (under the 10 + 2 pattern of education). The text is presented in a logical manner. It identifies your problem areas and helps you to solve them. Every effort has been made to make the contents as simple as possible so that the beginners will grasp the fundamental concepts easily. KEY FEATURES : Large number of solved examples to understand the subject. Categorization of problems under: Level of Difficulty A (Cover the needs of the students preparing for CBSE exams) Level of Difficulty B (Guide the students for engineering entrance examinations). ‘Learning Objectives’ at the beginning of each chapter to enable the students to focus their study. Problem Solving Trick(s) to enhance the problem solving skills. Besides this, each chapter is followed by a Chapter Test to test problem solving skills. Working hints to a large number of problems are given at the end of each and every exercise. In a nut shell, this book will help the students score high marks in CBSE, and at the same time build a strong foundation for success in any competitive examination. Contents: CONTENTS Preface Syllabus Chapter 1 Sets Chapter 2 Relations and Functions Chapter 3 Trigonometric Functions Chapter 4 Principle of Mathematical Induction Chapter 5 Complex Numbers and Quadratic Equations Chapter 6 Linear Inequations Chapter 7 Permutations and Combinations Chapter 8 Binomial Theorem Chapter 9 Sequences and Series Chapter 10 Straight Line Chapter 11 Conic Sections Chapter 12 Introduction to Three-Dimensional Geometry Chapter 13 Limits and Derivatives Chapter 14 Mathematical Reasoning Chapter 15 Statistics: Measures of Dispersion Chapter 16 Probability

... and appreciate: + Coordinate Axes and Coordinate Planes in Three-
dimensional Space + Coordinates of a Point in Space + Distance Formula +
Section Formula INTRODUCTION In plane (two-dimensional ) co-ordinate
geometry, the position of a point is located in terms of perpendicular distances
drawn from that point to the two reference lines which are perpendicular lines
known as co-ordinate axes. In our practical life, the point does not always lie in a
plane, it may lie in space.

Engineering Mathematics – Volume Ii

An edge e of G is a bridge ofG if and only ife does not lie on any cycle of G. Proof.
Let e be a bridge of G. Suppose u, v are the end vertices of e and e does lie on a
cycle, say C : u, v,w, . . . , x, u. The graph G — e contains a u—v path say u, x, . . . ,
w, v and hence u is connected to v. We have to prove that G — e is connected.
Let x and y be any two vertices of G — e. To prove G — e contains an x-y path.
Since G is connected, there is an x-y path P in G. Now, there are two possibilities:
e ...

Object-Oriented Analysis and Design Using UML

An Introduction to Unified Process and Design Patterns

A modern computer program, such as the one that controls a rocket’s journey to moon, is like a medieval cathedral—vast, complex, layered with circuits and mazes. To write such a program, which probably runs into a hundred thousand lines or more, knowledge of an object-oriented language like Java or C++ is not enough. Unified Modelling Language (UML), elaborated in detail in this book, is a methodology that assists in the design of software systems. The first task in the making of a software product is to gather requirements from the client. This well-organized and clearly presented text develops a formal method to write down these requirements as Use Cases in UML. Besides, it also develops the concepts of static and dynamic modelling and the Unified Process that suggests incremental and iterative development of software, taking client feedback at every step. The concept of Design Patterns which provide solutions to problems that occur repeatedly during software development is discussed in detail in the concluding chapters. Two appendices provide solutions to two real-life problems. Case Studies, mapping of examples into Java code that are executable on computers, summary and Review Questions at the end of every chapter make the book reader friendly. The book will prove extremely useful to undergraduate and postgraduate students of Computer Science and Engineering, Information Technology, and Master of Computer Applications (MCA). It will also benefit professionals who wish to sharpen their programming skills using UML.

Unified Modelling Language (UML), elaborated in detail in this book, is a methodology that assists in the design of software systems. The first task in the making of a software product is to gather requirements from the client.

NEURAL NETWORKS, FUZZY LOGIC AND GENETIC ALGORITHM

SYNTHESIS AND APPLICATIONS (WITH CD)

This book provides comprehensive introduction to a consortium of technologies underlying soft computing, an evolving branch of computational intelligence. The constituent technologies discussed comprise neural networks, fuzzy logic, genetic algorithms, and a number of hybrid systems which include classes such as neuro-fuzzy, fuzzy-genetic, and neuro-genetic systems. The hybridization of the technologies is demonstrated on architectures such as Fuzzy-Back-propagation Networks (NN-FL), Simplified Fuzzy ARTMAP (NN-FL), and Fuzzy Associative Memories. The book also gives an exhaustive discussion of FL-GA hybridization. Every architecture has been discussed in detail through illustrative examples and applications. The algorithms have been presented in pseudo-code with a step-by-step illustration of the same in problems. The applications, demonstrative of the potential of the architectures, have been chosen from diverse disciplines of science and engineering. This book with a wealth of information that is clearly presented and illustrated by many examples and applications is designed for use as a text for courses in soft computing at both the senior undergraduate and first-year post-graduate engineering levels. It should also be of interest to researchers and technologists desirous of applying soft computing technologies to their respective fields of work.

Algorithm. We have already seen the benefit of the middle-hidden layer in an
artificial neural network. We understand that the hidden layer allows ANN to
develop its own internal representation of this mapping. Such a rich and complex
internal representation capability allows the hierarchical network to learn any
mapping and not just linearly separable ones. Let us consider the three-layer
network with input layer having 'l' nodes, hidden layer having 'm' nodes, and an
output layer ...

THE INTERNET

A USER’S GUIDE

In this new era, the Internet has changed the ways of doing business activities, learning methods, teaching strategy, communication styles and social networking. This book attempts to answer and solve all the mysteries entangled with the Web world. Now in its second edition, the book discusses all the updated topics related to the Internet. Beginning with an overview of the Internet, the book sails through the evolution and growth of the Internet, its working, hardware and software requirements, protocols used, e-mail techniques, various Internet security threats and the methods of using and configuring different security solutions, file transfer methods and several other Internet services with all the details illustrated through live screenshots. Presented in a simple yet engaging style and cogent language, this book will be useful for any course introducing students to the Internet or where the Internet is a part of the curriculum. It will also immensely benefit all those who are interested in developing the necessary skills to use the Internet. WHAT IS NEW TO THIS EDITION : Chapters on Internet Telephony and Web Conferencing, Blogs and Social Networking Inclusion of topics such as Web 2.0, Web 3.0 technologies, IPv6, VoIP, Wikis, SMS and Blogs Detailed features of the newest Internet tools and software applications including open-source, free and cross-platform types Comprehensive and updated Internet dictionary acquainting with the Web world terminologies

Y _ ' Answerscom Cg “ status flat 4 Bookmarks Toolbar l l l l l l l ' Sidebar > — .
gtop Esc IE Reload Ctrl+R Text Size P Page Style P g g gharacter Encoding D
fnu "d Page Sgurce ctr|+u the server at www.l<ljames.com. Eull Screen F11 I
Check ...

Introduction to Information Technology

How information technology is affecting our daily life. 2. The need to be
conscious about protecting data stored in your computer from vandals and
thieves. 3. Protecting your computing resources and being able to recover from
disasters. 4.

INTRODUCTION TO INFORMATION TECHNOLOGY

This textbook is designed for a first course in Information Technology (IT), offered as core course for all undergraduate university students. It will also benefit students preparing for DOEACC (O level), polytechnic students, and professional courses such as CA. As IT is a rapidly advancing technology, the main objective of this book is to emphasize reasonably stable fundamental concepts on which this technology is built. The book is broadly organized into three parts. The first part describes the hardware devices used for acquisition of numerical, graphical, audio and video data and their representation in binary form. The second part describes the methods of storing, processing and disseminating data. The final part describes both the systems and application software. Applications include word processors, spreadsheets, multimedia processing, some uses of the Internet, business processes and e-commerce. The concluding chapter presents a discussion of social networks, social impacts of Information Technology and career opportunities in the field of IT. Key Features Provides comprehensive coverage of IT from first principles Describes a large number of important applications of IT Explains acquisition, storage, organization, processing, display, and dissemination of multimedia data Covers business data processing, the Internet and World Wide Web, e-commerce, social impacts of IT and job opportunities in IT enabled services Every chapter begins with a statement of learning goals and ends with a comprehensive summary.

Search for information in the Internet using one of several search engines. Select
a search engine appropriate for your search requirements. Use a browser to
download files and log on to a remote computer. Explain how Internet telephone
 ...

INFORMATION TECHNOLOGY

PRINCIPLES AND APPLICATIONS

This comprehensive yet accessible text provides a good introduction to the fundamental concepts of Information Technology and skillfully elaborates on their applications, covering in the process the entire spectrum of IT related topics. Organized into three parts, the book offers an insightful analysis of the subject, explaining the concepts through suitable illustrations. Part I covers basic issues and concepts of Internet and the techniques of acquiring, storing, structuring and managing information that may involve images, text files and video data. The reader is exposed to both centralized and distributed database systems. Part II deals with the core topics in developing information systems which are based on audio and speech compression, multimedia communication techniques, and soft computing for analysis and interpretation of data. Part III focusses on a number of application areas-as remote sensing, telemedicine, e-commerce, cybermediary and rural development-besides the traditional engineering disciplines, highlighting their social impacts. The book is intended for undergraduate and postgraduate students of information technology, computer science as well as electronics and electrical communication engineering. It should also serve as an excellent reference for professionals in the IT field. Key Features: Discusses in detail the theoretical basis behind a web graph. Deals with security issues of computer networks and their implications in an easy-to-understand manner. Contains more than 30 projects (with useful hints) that students of various IT courses would find interesting to work on. Three chapters are exclusively devoted to different aspects of database management and data mining systems.

We have experienced significant advancement of computer and communication
technologies in the last two decades because of literally exponential progress in
microelectronics technology and continued improvements in signal processing in
 ...

Effective Public Relations and Media Strategy

This comprehensive book, written in an easy to understand language, aims at not only equipping the reader with the necessary tools for building a career in public relations but also assisting him or her in becoming an effective Public Relations Manager. The book strives to cater to the different areas of public relations such as public relations in banks, tourism, NGOs, public transport, municipal government, media, and global public relations. In this text, Professor Narasimha Reddi compresses within the covers of a single volume his many decades of teaching and professional experience. He gives a masterly exposition of the theory and best practices of the profession. Divided into five parts, the book gives a clear analysis of the multi-dimensional aspects of public relations and communication, practices, and the different public relations media. KEY FEATURES  Provides teaching aids for easy understanding of the subject such as points to remember and review questions  Gives Seven Case Studies that reflect employee relations, media relations, customer relations, and crisis management. These would greatly help students know the practical aspects of public relations. The book is primarily intended as a text for students of Public Relations, Journalism, Mass Communication, and Advertising. In addition, it should be of great benefit to the teaching community and public relations practitioners.

Corporate Public Relations Vs M Corporate Communications 8 —I CONTENTS
Concept of Corporate PR Corporate Communictions Vs Corporate PR Proactive
PR and Reactive PR Corporate Identity and Corporate Image Corporate ...

MANAGING NEW VENTURES

CONCEPTS AND CASES IN ENTREPRENEURSHIP

This book not only introduces the fundamental concepts of entrepreneurship but also presents the critical issues that an entrepreneur needs to be familiar with for launching, nurturing, managing and harvesting new ventures. The book explains sequentially the life-cycle of a venture, and discusses topics such as opportunity identification, planning, start-up issues, managing growth and harvesting. Case studies are presented featuring real-life dilemmas faced by Indian entrepreneurs in the manufacturing and the service industries, to make the readers familiar with the eco-system confronting Indian entrepreneurs. The book is ideally suited for students who wish to venture into entrepreneurship as well as for professionals with interest in policy making, investing or consulting. Key Features : A list of learning objectives for each chapter and a set of questions at the end are given to assist students. Profiles of two leading entrepreneurs are given after each chapter to examine the relevance of the concepts discussed in the book. India-centred approach of this text makes it unique and interesting.

Early 2000s were the times when the sentiment of market was not in favour of
entrepreneurs. The economy was under the threat of a recession forced by the IT
bust and new ventures were being discouraged. Patu faced similar resistance
from ...