SOLUTION: how does y to the a-b power equal 1/y to the b-a power?

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Question 669867: how does y to the a-b power equal 1/y to the b-a power?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
how does y to the a-b power equal 1/y to the b-a power?
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Hint: b-a = -(a-b)