The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 1 for r(t) = t5i  + 4lnj + k

A. a(1) = 20i - 4j - 2k
B. a(1) = 20i + j - 2k
C. a(1) = 20i + 4j + 2k
D. a(1) = 20i + j + 2k


Answer: C

Mathematics

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