ATQ
X = Y + 5
X- Y = 5 { Square in both side}
(X- Y)2 = 52
X2 + Y2 - 2XY = 25...(i)
X2 + Y2 = 37...(ii)
From equation (i) and (ii) 37 - 2XY = 25
2XY = 37 -25 = 12
XY = 6
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