1 2 Ĵ(x) with Ĵ(1) = (1, 2, −1) and Ĵ'′ (x) = {- , ,-2) " 'x' √√x' Show the arc length of the graph of and determine the curvature of the graph of ] at x = 1 starting at point at x = 1 to the point at x = 3

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