For the curve r(t), write the acceleration in the form aTT + aNN.r(t) = (t2 - 3)i + ( 2t - 9)j + 8k
A. a = 
T + 
N
B. a = 
T + 
N
C. a = 
T + 
N
D. a = 
T + 
N
Answer: C
Mathematics
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