1.

If (5√5 x3 – 81√3 y3) ÷ (√5 x – 3√3 y) = (Ax2 + By2 + Cxy), then the value of (6A + B – √15 C) is:

A. 12
B. 15
C. 9
D. 10
Answer» B. 15


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