8. Evaluate the line integral x ds where C is the curve with parametrization given by r(t) = ti + t²j for 0 ≤ t ≤ 1. A. (53/2-1) 1 B. (51/2-1) C. (2¹/2-5¹/2) D. (23/2 – 53/2) E. (1-5³/2)

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