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For ~r(t) = t^(1/3)ˆi + (1/t) ˆj + e^(−t)ˆk find (a) the domain of ~r and...

For ~r(t) = t^(1/3)ˆi + (1/t) ˆj + e^(−t)ˆk find (a) the domain of ~r and determine where ~r is continuous. (b) find ~r ’(t) and ~r ”(t).

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