Q1 (99 points) Find the normal and tangential acceleration of the curve r(t) = e² i + tj + e¯¹ k, t Є R, at t = 0 in two ways: (A) by calculating the the dot product of the (vector) acceleration with the unit tangent and normal vectors; and (B) by calculating the rate of change of the speed, and the centripetal acceleration obtained from by the speed and the radius of curvature.

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