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CBSE Class 10 Answered

If p and q are zeroes of polynomial f(x)=2x2-7x+3.Find the value of p2+q2.
Asked by simran jatttana | 03 May, 2014, 05:29: PM
answered-by-expert Expert Answer
2x2 - 7x +3 = 0
 
p +q = 7/2
 
pq= 3/2
 
(p+q)2=p2+q2+2pq
 
p2+q2=(p+q)2-2pq
 
         =(7/2)2-2*(3/2)=37/4
Answered by Avinash Soni | 04 May, 2014, 07:58: AM
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