Question

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Answer 1

what can you do with radical over radical?

Answer 2

you could root 22

Answer 3

and i got \[\sqrt{2}~\sqrt{11}\]

Answer 4

How?

Answer 5

2*11

Answer 6

so how can that help you?

Answer 7

then the denominator is \[\sqrt{11}\] and i can cross the 11s out

Answer 8

okay root11 is gone what else can you observe

Answer 9

x?

Answer 10

there is this property for radicals
you can get the answer easier doing this