This was done only so there would be a consistent

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Unformatted text preview: n use property 6 to deal with the exponent on the parenthesis. Doing this gives us, © 2007 Paul Dawkins 7 College Algebra -2 2 æ 24a 3b -8 ö æ b9 ö b18 ç ÷ =ç 8 ÷ = -5 16 è 6a b ø è 4a ø 16a [Return to Problems] Before leaving this section we need to talk briefly about the requirement of positive only exponents in the above set of examples. This was done only so there would be a consistent final answer. In many cases negative exponents are okay and in some cases they are required. In fact, if you are on a track that will take you into calculus there are a fair number of problems in a calculus class in which negative exponents are the preferred, if not required, form. © 2007 Paul Dawkins 8 College Algebra Rational Exponents Now that we have looked at integer exponents we need to start looking at more complicated exponents. In this section we are going to be looking at rational exponents. That is exponents in the form b m n where both m and n are integers. We will start simple by looking a...
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This note was uploaded on 06/06/2012 for the course ICT 4 taught by Professor Mrvinh during the Spring '12 term at Hanoi University of Technology.

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