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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §5.2 Antiderivatives, #23 · Calculus · Integrals

(with calculator) For … take enough rectangles over … to convince any…

(with calculator) For $v (x) = 1/ x$ take enough rectangles over $0 \leq x \leq 1$ to convince any reasonable professor that the area is 4. Find $f (x)$ and verify that $f (1) - f (0) = 2$ .

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §5.2 Antiderivatives, #23

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