abbyartistic9276 abbyartistic9276

15-02-2024
Mathematics

contestada

If the vector r is given by r = (t2 + 2t)i - 3e^-3tj + 2sin3tk, what is the absolute value of dr/dt?
A) 2t + 2
B) 2t - 2
C) -3e^-3t
D) 2sin3t

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