(a+1/a)2 = 0 হলে, a3+1/a3 এর মান কত?
Solution
Correct Answer: Option D
দেওয়া আছে,
(a+1/a)2 = 0
বা, a+1/a = 0
∴ a3 + 1/a3
= (a+1/a)3 – 3.a.1/a(a+1/a)
= 03 – 3.1.0
= 0 - 0
= 0
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