Question

If 1/x+1/y is inversely proportional to x+y then prove that (x^2+y^2)/xy is constant
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Answer 1

Answer:

Step-by-step explanation:

1/x + 1/y = 1/x+ y

So, x +y /xy = 1/x+ y

(X+Y)^2 = XY

SO, X²+ Y²+2XY=XY

THEN,

X²+ Y²/XY = -1

IE CONSTANT

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