Find an arc length parametrization r₁ (s) of the curve r(t) = (7 cos(t), 7 sin(t), ³/²), with the parameter s measuring from (7,0,0). (Use symbolic notation and fractions where needed.) r₁(s) = Incorrect (65)³ 343 343 343 (6s)³ (2008 (C)² + 2 ) 7 ( (0)² + + 2 ) + ( (0)² + + 2 ) | (6s) 6 6 6 7 cos sin 53 53 53

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