x+(1/x) = √3 হলে, x³+(1/x³) এর মান কত?
A 2
B 4
C 0
D 6
Correct Answer: Option C
দেয়া আছে, x+1/x = √3
x3 + 1/x3 = (x+1/x)3 - 3.x.1/x(x+1/x)
=(√3)3 - 3.√3 = 3√3 - 3√3 = 0
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