Question

Formula of a+1/a whole cube

Answer 1

a^3 + 3a^2×1 + 3× 1^2 × a + 1^3÷a^3

May Help

Answer 2

$\sf {(a + \frac{1}{a}) }^{3} = {a}^{3} + \frac{1}{ {a}^{3} } + 3( a+ \frac{1}{a} )$

Hope this helps you.