x = √3 - 1/x হলে x3 + 1/x3এর মান কত?

A 1.0

B 3.0

C √3

D 0.0

Solution

Correct Answer: Option D

এখানে,
   x=√3+1/x
বা , x+1/x=√3
  x³+1/x³=(x+1/x)³-3.x.1/x(x+1/x)
              =√3³-3√3
              =0

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