$[-/1$ Points$]$

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SCALCET$913\mathrm{.}2\mathrm{.}011.$

Find the derivative, $r^{\text{'}}(t),$ of the vector function.

$r^{\text{'}}(t)=r(t)=t^4$i $cos(t^3)jsi{n}^2(t)k$

$q,$

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SCALCET$913\mathrm{.}2\mathrm{.}041.$

$[-/1$ Points$]$

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