Find the unit tangent vector of the given curve.r(t) = 3t5i - 12t5j + 4t5k
A. T(t) = 
i - 
j + 
k
B. T(t) = 
i - 
j + 
k
C. T(t) = 
i - 
j - 
k
D. T(t) = 
i + 
j + 
k
Answer: B
Mathematics
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B. 
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?
?
A. 
B. 
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