If x2 + y2=14 and xy=3, find the value of 2(x+y)2 − 5(x−y)2. – InterviewSolution

1.	If x2 + y2=14 and xy=3, find the value of 2(x+y)2 − 5(x−y)2.
Answer» $I f x^{2} + y^{2} = 14 a n d x y = 3, f i n d t h e v a l u e o f 2 {(x + y)}^{2} - 5 {(x - y)}^{2}$ .

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