If a+1/a=5, then what is the value of a^3+1/(a^3) ?

If $a+\frac{1}{a}=5$

 then, $a^3+\frac{1}{a^3}$.

a³ + \(\frac{1}{a^3}\) = (a + \(\frac{1}{a}\))³ – 3(a + \(\frac{1}{a}\))

a³ + \(\frac{1}{a^3}\) = 5³ – 3 × 5 =  110