Question: In Exercises 2326, find (a) r'(t), (b) r''(t), (c) r'(t) r''(t), and (d) r'(t) x r''(t). r(t) = 1/2 t 2 i - t

In Exercises 23–26, find (a) r'(t), (b) r''(t), (c) r'(t) · r''(t), and (d) r'(t) x r''(t).

r(t) = 1/2 t2i - t j + 1/6 t3k

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