1.

The coefficient of \[{{x}^{7}}\] in the expansion of \[{{\left( \frac{{{x}^{2}}}{2}-\frac{2}{x} \right)}^{8}}\] is [MNR 1975]

A. -56
B. 56
C. -14
D. 14
Answer» D. 14


Discussion

No Comment Found