x= 1+√3 হলে, x³= কত?
Solution
Correct Answer: Option D
দেওয়া আছে, x = 1+√3
∴ x³= (1+√3)³
=1³+3.1².√3+3.1(√3)²+(√3)³
=1+3√3+9+3√3
= 10+6√3
∴ x³= (1+√3)³
=1³+3.1².√3+3.1(√3)²+(√3)³
=1+3√3+9+3√3
= 10+6√3
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