Question

If the coefficient of x7 in ($ax^2 +\frac{ 1}{2bx}^{11}$) and x-7 in ($ax - \frac{1}{3bx^2}^{11}$), are euual then

• A. 32ab=729
• B. 64ab=243
• C. 243ab=64
• D. 729ab=32

Answer 1

Answer: (D)

729ab=32

Answer 2

The correct option is(D): 729ab=32