\((a + \frac{1}{a})2 = 3\) হলে \(a3 + \frac{1}{{a3}}\) এর মান কত ?
A 0
B 1
C 3
D 9
Correct Answer: Option A
\((a + \frac{1}{a})2 = 3\) বা, \(a - \frac{1}{a} = \sqrt 3 \)
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