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Find the Tangent Vector r\mathbf { r } ^ { \prime }

Question 26

Multiple Choice

Find the tangent vector r\mathbf { r } ^ { \prime } (t) of the function r (t) = (t,t,12t) \left( t , \sqrt { t } , \frac { 1 } { 2 \sqrt { t } } \right) when t = 14\frac { 1 } { 4 } .


A) (1,2,4) ( 1,2,4)

B) (1,2,2) ( 1,2 , - 2)
C) (1,1,4) ( 1,1,4 )
D) (1,1,2) ( 1,1 , - 2 )
E) (1,2,4) ( 1,2 , - 4 )
F) (1,2,2) (1,2,2 )

G) (1,1,4) ( 1,1 , - 4 )

H) (1,1,2) ( 1,1,2 )

Correct Answer:

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