If 3x2+3y2=42 and xy= -15, find the value of (x-y)2

asked Jun 11, 2022 210k views

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2 votes

was the other answer right?

MadhaviJ answered Jun 13, 2022

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4 votes

Answer:

Explanation:

x^2 + y^2 = 14

(x-y)^2 x^2 + y^2 - 2xy = 14 -2 * (-15) = 44

Poulami answered Jun 18, 2022

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