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1 9 3 Arclength Goal Given a curve find the length of the curve between two points Informal Derivation of Method Examples Find the length of the curve y x2 3 from x 1 to x 8 Method I Method II 1 Find the length of the curve parametrized by x 1 2 4 t t y t3 2 t 0 2 2 3 On Beyond Average Find the length of the curve parametrized by x 1 e t cos t y e t sin t t 0 Find the length of the astroid x cos3 y sin3 2
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