Given r(t) = 5t8i - 9 sin (t)j + e³tk and s(t) = −4ti +8tj+4tk, find [2t² r(t) + 2t¹s(t)]. dt Sorry, that's incorrect. Try again? d[2²r(t) + 2f¹s(t)] = ( [___])i+(\)j+(\)k

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