a + 1/ a = √3 হলে a3 + 1/ a3 = ?

a + 1/ a = √3 হলে a³ + 1/ a³ = ?

A -1

C 1

D 2

Correct Answer: Option B

দেওয়া আছে, a+(1/a) = √3
∴a³+(1/a³)= (a+ 1/a)³-3.a.1/a (a+ 1/a)
=(√3)³- 3. √3
=3. √3 - 3. √3
= 0