\(a - \frac{1}{a} = 3\) হলে \({a^{2\;}} + \frac{1}{{{a^{2\;}}}}\) = কত ?

\(a - \frac{1}{a} = 3\) হলে \({a^{2\;}} + \frac{1}{{{a^{2\;}}}}\) = কত ?

A 7

B 9

C 11

D 13

Solution

Correct Answer: Option C