Question

Prove that if a number is tripled then its cube is $27$ times the cube of the gives number?

Answer 1

Let the number is $x$

If number is tripled then number $=3x$

Cube is $x^3$ and ${\left(3x\right)}^3$

$x^3\&27x^3$

So, it is always $27$ times the cube.

Hence, proved.