Question

What is `\sqrt { 126} + \sqrt { 56}` in standard form?

Answer 1

`sqrt(126)+sqrt(56) =5sqrt(14)`

Explanation:

Note that `126=3^2*14` and `56=2^2*14`

So we find:

`sqrt(126)+sqrt(56) = sqrt(3^2*14)+sqrt(2^2*14) = 3sqrt(14)+2sqrt(14)=5sqrt(14)`