if x minus Y is equal to 13 and X Y is equal to 28 find X square + Y square
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x-y=13
squaring both sides
x^2 + y^2 - 2xy = 169
x^2 + y^2 = 169 + 56 = 225
squaring both sides
x^2 + y^2 - 2xy = 169
x^2 + y^2 = 169 + 56 = 225
AmanRajSinghania:
wlcm
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hope it help you friend
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