Question

if x+(1/x) = 3, then value of x^5+(1/x^5) is ?

1) 123
2)126
3)113
4)129

Answer 1

im assuming ur not familiar with complex numbers :)

find value of \(x^2+\frac{1}{x^2}\) and \(x^3+\frac{1}{x^3}\) just like prev question and multiply them ... see what happens :)