Question

rationalising factor of
$\sqrt[3]{54?}$

Answer 1

Hi ,

Cubeth root of 54

= ( 54 )^1/3

= ( 2 × 3³ ) ^ 1/3

= 3 × 2^1/3

Therefore ,

Rationalizing factor is 2^2/3

( 54 )^1/3 × 2^2/3

= 3 × 2^1/3 × 2^2/3

= 3 × 2

= 6 ( rational number )

I hope this helps you.

: )