PLUS TWO CONCISE MATHEMATICS :PREFACE We are pleased to present before the students and teachers the revised edition of Mathematics II which has been primarily designed as a Reference Book based on Revised NCERT Syllabus on New Grading Pattern.It has been written bearing in mind the specific needs of the students preparing for Higher Secondary, State Open School, VHSE, CBSE and other examinations. This book, we are sure, will help students to understand and solve problems independently. The theory part of the subject is simplified and organized in such a manner that the book is self-explanatory and stimulating. We have taken special care to set each chapter according to the weightage given in the syllabus. An attempt has been made to give a precise, comprehensive, and compact treatment to the subject. This volume contains a good number of graded and worked out examples. We have included very many questions to be worked out by the students (with answers). It is our sincere belief that this book will cater to the needs of the student community preparing for examinations. Sample questions and answers given at the end of each section are inaccordance with the New Grading Pattern.