P²+q²+5a(p²+q²)plz find the answer – InterviewSolution

1.

P²+q²+5a(p²+q²)plz find the answer

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<P>ANSWER:

p² – 10 p + 25 = p2 - 2×p× 5 + 52 ... =(5a)2 –[ (2B)2 - 2×2b×7C +(7c)2] Now as (a-b)2= a2 +b 2 -2 ab ... 2) q²-10q+21 =Q(q-10)+21 3) p²+6p- ...

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