SOLUTION: Simplify each expression. Rationalize all denominators. Assume that all variables are positive. http://i732.photobucket.com/albums/ww330/school_hard/IMG_48321.jpg http://i7

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Question 181492: Simplify each expression. Rationalize all denominators. Assume that all variables are positive.

http://i732.photobucket.com/albums/ww330/school_hard/IMG_48321.jpg
http://i732.photobucket.com/albums/ww330/school_hard/IMG_48331.jpg

Answer by Mathtut(3670)   (Show Source): You can put this solution on YOUR website!

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multiplying this out you get
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.....the terms in the middle cancel each other
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