If 8x 3 – 27y 3 = (Ax + By) (Cx 2 – Dy 2 + 6xy), then (A + B + C – D)
| If 8x3 – 27y3 = (Ax + By) (Cx2 – Dy2 + 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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