This if for heavenlee2021. https://www. you. tube. com/watch?v=9_aUaiCXtJE
take the period out between you. tube or it won't work.

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.