if p,q are zeroes of the polynomial f(x) =x2-2x-8 then find the value of p2+q2
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this is your answer.....
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here is your answer: -
zeros of the polynomial are -
p and q
given polynomial =f(x) =x^2-2x-8
( P + q) =2
(pq)=-8
(P +q)^2 = p2 + q^2+ 2pq
p^2 + q^2 = (P +q) ^2 - 2pq
= 4 - 2× -8
= 4 + 16
= 20
ava71:
hlo
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