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) = e -t , t 2 ,

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) = 〈e-t, t2, tan t〉

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