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Math Help - Variable limits of intergration

  1. #1
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    Variable limits of intergration[resolved]

    okay I know that d/dxf(t)dt from a to x is f(x) but what happens if x is the lower limit instead of the upper limit? So from x to a. Does it become negative? Thanks.
    Last edited by elitespart; November 9th 2008 at 09:27 AM.
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  2. #2
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    Krizalid's Avatar
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    Yes by simple property \int_{a}^{b}{f}=-\int_{b}^{a}{f}.
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  3. #3
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    cool. thanks.
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