Recent content by xibalba1

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    Finding Volume of Rotated Solid: Disk Method

    Dude man, I keep getting the wrong answer, or at least www.webassign.net tells me so. SO...the problem must lie within my algebra. I freaking hate webassign.net. You do all this work by setting up the problem, doing the calculus, etc, but it aint worth crap because you get the final answer...
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    Finding Volume of Rotated Solid: Disk Method

    Okay, I think I know what you are saying. so far I got pitimes the integral from 0 to 4 of [(10-5e^(-x)]^2 -(5)^2 dx what do you think
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    Finding Volume of Rotated Solid: Disk Method

    Homework Statement Consider the solid obtained by rotating the region bounded by the given curves about y=10 Find the volume V of this solid using DISK METHOD Homework Equations y=5e^-x, y=5, x=4 The Attempt at a Solution setting up the picture easy. but I'm having...
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    How to Integrate (e^cost)(sin2t)dt with Substitution and Integration by Parts?

    Int (e^cost)(sin2t)dt Ahhh! Homework Statement First make a substitution and then use integration by parts Homework Equations INTEGRAL OF (e^cost)(sin2t)dt The Attempt at a Solution the 2t is bothering me. try subbing u=e^cost thank you.
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