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Find the Derivative s=t2cost+2ets = t ^ { 2 } - \cos t + 2 e ^ { t }

Question 292

Multiple Choice

Find the derivative.
- s=t2cost+2ets = t ^ { 2 } - \cos t + 2 e ^ { t }


A) dsdt=2tsint+2et\frac { d s } { d t } = 2 t - \sin t + 2 e ^ { t }
B) dsdt=2t+sint+2et\frac { d s } { d t } = 2 t + \sin t + 2 e ^ { t }
C) dsdt=t+sint+2et\frac { d s } { d t } = t + \sin t + 2 e ^ { t }
D) dsdt=2t+sint2et\frac { d s } { d t } = 2 t + \sin t - 2 e ^ { t }

Correct Answer:

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