Question

please solve the question no 17 and 20 urgent

Answer 1

we know that

(a cubed - b cubed) = (a-b)(a squred + ab + b squared)

Q.20. (x/2) cubed - (y) cubed = (x/2-y) (x squred/4 + xy/2 + y squared ) divide by (y-x/2)

Then

- (y-x/2) (x squred/4 + xy/2 + y squared ) divide by (y-x/2)

-(x squred/4 + xy/2 + y squared )

Answer

Answer 2

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