NCERT <br/><br/>
Mthematics.10. 

 - 2nd 
 - New Delhi  NCERT.  2013 
 - 350 
 -  I .
<br/><br/><label>ISBN: </label>ooooo 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.
<br/><br/><label>Dewey Class. No.: </label>510  / N1M