# If 8x 3 – 27y 3 = (Ax + By) (Cx 2 – Dy 2 + 6xy), then (A + B + C – D)

| If 8x

^{3}– 27y^{3}= (Ax + By) (Cx^{2}– Dy^{2}+ 6xy), then (A + B + C – D) is equal to:A. 15

B. -12

C. 9

D. 12

### Right Answer is: D

#### SOLUTION

Since we know that,

On comparing equation and , we get –

Required-

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