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Topic: Manipulating square roots
Replies: 2   Last Post: Sep 11, 2010 5:45 AM

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Posts: 3
Registered: 9/10/10
Manipulating square roots
Posted: Sep 10, 2010 4:48 AM
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How can I get mathematica to bring a factor inside a square root? For
a Sqrt(1-(b/a)^2) -> Sqrt(a^2-b^2) (if a is real and a > 0).
Also, how do I get Mathematica to perform the operation in reverse?

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