SOLUTION: 7√(ab)63 Use rational exponents to simplify I don't get how to get the answer

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Question 1035552: 7√(ab)63 Use rational exponents to simplify
I don't get how to get the answer
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
What is under the radical?
7sqrt%28ab%29%2A63+=+441sqrt%28ab%29