Textbook of mathematics for classes XI-XII Book IV 

 - New Delhi  NCERT  1978 
 - XI,413p. 
<br/><br/><label>ISBN: </label> RS 9.00 
<br/><br/><label>Source: </label> RS 9.00 
<br/><br/><label>Dewey Class. No.: </label>510 TEX