Arc length intro | Applications of definite integrals | AP Calculus BC | Khan Academy
779We can use definite integrals to find the length of a curve. See how it's done and get some intuition into why the formula works.
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Missed the previous lesson? https://www.khanacademy.org/math/ap-calculus-bc/bc-applications-definite-integrals/bc-polar-graphs-area/v/calculator-integral?utm_source=YT&utm_medium=Desc&utm_campaign=APCalculusBC
AP Calculus BC on Khan Academy: Learn AP Calculus BC - everything from AP Calculus AB plus a few extra goodies, such as Taylor series, to prepare you for the AP Test
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