Check out some similar questions!

grendel67 · Aug 20, 2008, 07:50 PM

Hi everyone.

I have a question on converting from rational exponents to radicals

I trying to get some practice in before I take the class here a example

Look at attachment I couldn't draw it right on here so I put in attachment. Is that right? If not can you show what I did wrong.

Name: example.jpg
Views: 465
Size: 7.3 KB

Name: example.jpg
Views: 465
Size: 7.3 KB

galactus · Aug 21, 2008, 02:15 PM

The denominator of the rational expoenet goes ouside the radical and the numerator goes inside.

Like so:

$\sqrt[3]{(2a+b)^{2}}=(2a+b)^{\frac{2}{3}}=((2a+b)^{2})^{\f rac{1}{3}}$

I do not know where the 2a+3 came from.