Below are pictures of the problem in the book and how I simplified it. (2a^2 b)(-3a^-2 b^3)^2 The books answer is -6b^7. I can't figure out how to get this answer. Is the book wrong? My answer is (18b^7)/a^2. Is my answer correct?
Last edited by StudentMCCS; July 30th 2011 at 12:10 AM. Reason: typos
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Originally Posted by StudentMCCS The books answer is -6b^7. I can't figure out how to get this answer. Is the book wrong? Is my answer correct? 1. If (and only if) you have copied the question correctly your answer is OK. But ... 2. The answer in the book belongs to the question
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