Question

Rationalize denominator and simplify.
A. 2/ sqrt 7+ sqrt 5
B. 6/sqrt 27

Answer 1

\[\frac{ 2 }{ \sqrt{7}+\sqrt{5} } \times \frac{ \sqrt{7}-\sqrt{5} }{ \sqrt{7}-\sqrt{5} }\] this is what it means, notice the change in sign.

Answer 2

Yes can u help me finish it

Answer 3

Sure, so what did you get for the first one?

Answer 4

Make sure you use parenthesis so you don't make mistakes

Answer 5

Is the answer going to be sqrt 7sqrt5/12

Answer 6

How did you get that?