Question

Rationalize the denominators.
https://media.glynlyon.com/g_alg02_ccss_2013/7/test6p15.gif

Answer 1

For rationalising this:

\[\large{\cfrac{\sqrt{a}+\sqrt{b}}{\sqrt{a}-\sqrt{b}}}\]

Multiply both numerator and denominator by \(\large{\sqrt{a} + \sqrt{b}}\)

Answer 2

15 sqrt 2?

Answer 3

Let me check

Answer 4

No its 2 + sqrt(6)

Answer 5

Thanks