Question

What is `2(sqrt2)^3`?

Answer 1

`2(sqrt(2))^3 = 4sqrt(2)`

Explanation:

`2(color(blue)((sqrt(2))^3))`

`color(white)("XXX")=2( color(blue)(sqrt(2)xxsqrt(2)xxsqrt(2)))`

`color(white)("XXX")=2(color(blue)(2sqrt(2)))`

`color(white)("XXX")=4sqrt(2)`