About Book:

       The author feel encouraged to bring out the revised edition of the book, due to the overwhelming response from teachers and students for his earlier editions.

     In this edition, a new chapter on Beta, Gamma Functions has been added as per the revised syllabus of Madras University under Choice Based Credit System.

      It is very much hoped that this book will be found useful by all those for whom it is meant. Suggestions for improvement of this book will be gratefully acknowledged.