Question

What is the square root of 50?

Answer 1

The primary square root of `50` is `5sqrt(2)`
(Note that both `+5sqrt(2)` and `-5sqrt(2)` are square roots of `50`, but by definition, the primary root is the positive one).

Explanation:

`sqrt(50) = sqrt(5^2*2)`

`color(white)("XXX")=sqrt(5^2)*sqrt(2)`

`color(white)("XXX")= 5sqrt(2)`