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Prove that (x+y)3 - (x-y)3 - 6y(x2-y2) = 8y3
CBSE Class 9
CBSE Class 9 Maths
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Dhanalakshmi
July 17, 2019, 3:48am
1
prove that (x+y)
^{3}
- (x-y)
^{3}
- 6y(x
^{2}
-y
^{2}
) = 8y
^{3}
Dhanalakshmi
July 17, 2019, 3:49am
2