x + 1/x =√3 হলে x3 + 1/ x3 এর মান কত?

A    ২

B    ৪

C    ০

D    ৬

Solution

Correct Answer: Option C

(x+1/x)3-3.x.1/x(1+1/x)

=(√3)3-3√3

=√3(√3√3-3)

=√3(3-3)

√3*0

=0

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