Question

if x+1/x =3 then find x^3+1/x^3<br />please answer fastly

Answer 1

See the attachement for the calculation.

$x^{3} + \frac{1}{ x^{3} } = 18$

Answer 2

heya....

your answer is:

x cube + 1/ x cube = 18.

It may help you ....☺☺☺