Question

Simplify by using radical. Rationalize denominators.. 2a^-1/2. Please please help!!

Answer 1

well you have

\[\frac{2}{\sqrt{a}}\]

just multiply by 1.... you just need to write it in
an appropriate form... such as

\[\frac{1}{1} = \frac{\sqrt{a}}{\sqrt{a}}\]

Answer 2

Thank you so much!
can you help me with a few more?

Answer 3

just post then in the normal way... there are lots of people who can help