Let: Let: The book claims that the answer is: I could see where the discrepancy could come from, but I don't see the error in my work... what did I do wrong?
Last edited by symstar; Sep 16th 2008 at 02:09 PM. Reason: Left out a sqrt
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Hello ! Originally Posted by symstar Let: Let: The book claims that the answer is: I could see where the discrepancy could come from, but I don't see the error in my work... what did I do wrong? It is correct To get your book's answer : Thus Use the rule :
Ah, I see. Thanks!
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