Question

If x>o, which of the following is equivalent to the expression

(√x) (√2)?

2x
√2x
x√2
x²√2

Answer 1

The correct answer is: √2x

Explanation:

We (must to) know that is:

√a · √b ⇔ √ab

God with you!!!

Answer 2

√2x.

Explanation:

√x * √2 = √(2x).

Its the second option.