Hey! I would be grateful, if anyone can help me with this simple rewrite... How does (x-y)/(x+y) become 1-2y * (1/(x+y)) ? I mean isn't a x missing? Or? Thanks a bunch! Simon DK
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Originally Posted by sh01by Hey! I would be grateful, if anyone can help me with this simple rewrite... How does (x-y)/(x+y) Note, x-y=(x+y)-2y Thus, (x-y)/(x+y) = ((x+y)-2y)/(x+y) = 1-(2y/(x+y))
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