Innocent looking, but ????

blackpenredpen 1,232,934 lượt xem 6 years ago

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This is an innocent-looking integral but it's actually dangerous. The integral of 1/x^2 from -2 to 1 is a type 2 improper integral because it has a vertical asymptote on the interval of integration. This improper integral actually diverges! Be careful with the criteria when we use the fundamental theorem of calculus part 2. #calculus #apcalculus #blackpenredpen

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