Question

How do you add `2b \root[ 3] { 16b ^ { 2} } + \root [ 3] { 128b ^ { 5} }`?

Answer 1

`8b*(2b^2)^(1/3)`

Explanation:

We can write `2b(8*2b^2)^(1/3)+(64*b^3*2*b^2)^(1/3)`
This is
`4b(2b^2)^(1/3)+4b(2b^2)^(1/3)`
This is
`8b(2b^2)^(1/3)`