Recent content by rodneyspencer

  1. R

    Volume by Shell and Washer Methods

    Double-post :/ :facepalm:
  2. R

    Volume by Shell and Washer Methods

    I forgot about x=8. The shell method should be V = 2pi \int^2_0 (y(8-(4y)))dy = 32pi/3. :facepalm:
  3. R

    Volume by Shell and Washer Methods

    Homework Statement Find the volume generated by rotating the given region about the given line using the Shell method and the Washer method. x = 4y [y = x/4], y = 0, x = 0, x = 8 about x Homework Equations Washer method (about x): V = pi \int^b_a ((Rtop2(x) - rbottom2(x))dx...
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