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Math Help - Surface area and Solid of revolution

  1. #1
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    Surface area and Solid of revolution

    Hi I'm stuck with my homework for solid of revolution and surface area of this figure Trapezoid with slope of -5/L. R2 = 2L and R1 = 3L/2. ANy help is appreciated.

    / ----- |---------\
    / -----| ---------\ slope = -5/L
    /_____|____|__\
    ...............3L/2 ...2L

    a. Find the equation in terms of L (vol and surface area)
    b. Vol as function of L
    c. Value of L that minimizes the volume
    d. Minimum Volume
    Last edited by ggallego; April 9th 2013 at 06:45 PM.
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  2. #2
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    Re: Surface area and Solid of revolution

    here' the picture
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    Re: Surface area and Solid of revolution

    Please respond to this post here.

    -Dan
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