If p - q is 8 and pq is 4 , find p² + q²
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Verified answer
Hope ttachment will help you!we have given that
p - q = 8
and pq = 4
we have to find
p² + q² = ?
solution :-
we know that
x² +y² = (x-y)² +2xy
here
p² +q²= (p-q)² +2pq
=> 8² + 2× 4
=> 64 + 8 = 72 answer
⭐⭐ hope it helps ⭐⭐