Find T, N, and B for the given space curve.r(t) = (t2 - 9)i + (2t - 1)j + 5k
A. T = 
i - 
j; N = - 
i - 
j; B = -k
B. T = 
i + 
j; N = 
i - 
j; B = k
C. T = 
i + 
j; N = 
i - 
j; B = -k
D. T = 
i + 
j; N = 
i - 
j; B = -k
Answer: C
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