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Find the area bounded by: x = 1, x = 3, y = 0, and y = 1/x

User Mazen K
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\displaystyle \int \limits_1^3(1)/(x)\, dx=\\ \Big[\ln x\Big]_1^3=\\ \ln 3-\ln 1=\\ \ln 3
User Maaudet
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