Question

Find the lengths of the curves in Exercises 25–27.

25. x = cos t, y = t + sin t, 0 <=t<= pai

26. x = t3, y = 3t2/2, 0<=t <=sqrt(3)

27. x = t2/2, y = (2t + 1)^(3/2)/3, 0 <=t<= 4

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