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Let x(t)=lnt,y(t)=1tx ( t ) = \ln t , y ( t ) = \frac { 1 } { t }

Question 60

Multiple Choice

Let x(t) =lnt,y(t) =1tx ( t ) = \ln t , y ( t ) = \frac { 1 } { t } be the parametric equations of a curve. Then dydx\frac { d y } { d x } is


A) 2t2- \frac { 2 } { t ^ { 2 } }
B) 1t2\frac { 1 } { t ^ { 2 } }
C) 1t- \frac { 1 } { t }
D) 1t\frac { 1 } { t }
E) 1t2- \frac { 1 } { t ^ { 2 } }

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