x = 1 + √3 হলে, x3 = কত?
Solution
Correct Answer: Option C
দেওয়া আছে, x = 1 + √3
∴ x3 = (1 + √3)3
= 13 + 3.12.√3 + 3.1. (√3)2 + (√3)3
= 1 + 3√3 + 3.3 + 3√3
= 10 + 6√3
∴ x3 = (1 + √3)3
= 13 + 3.12.√3 + 3.1. (√3)2 + (√3)3
= 1 + 3√3 + 3.3 + 3√3
= 10 + 6√3
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