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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §5.7 The Fundamental Theorem and Its Applications, #39 · Calculus · Integrals

The horizontal strip at height … in Figure (d) has width …

The horizontal strip at height in Figure (d) has width and length ______. So the area up to is ______. What length are the vertical strips that give the same area?

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §5.7 The Fundamental Theorem and Its Applications, #39

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