Q.
A. a2 b + ab2 - 6abh + 8h3 = 0
B. a2 b + ab2 + 6abh + 8h3 = 0
C. a2 b + ab2 - 3abh + 8h3 = 0
D. a2 b + ab2 - 6abh - 8h3 = 0
E. None of the above
Correct choice: A
Explanation: