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Let x(t)=1et,y(t)=e2tx ( t ) = 1 - e ^ { t } , y ( t ) = e ^ { 2 t }

Question 18

Multiple Choice

Let x(t) =1et,y(t) =e2tx ( t ) = 1 - e ^ { t } , y ( t ) = e ^ { 2 t } be the parametric equations of a curve. Then dydx\frac { d y } { d x } is


A) ete ^ { t }
B) ete ^ { - t }
C) -1
D) e2te ^ { - 2 t }
E) 2et- 2 e ^ { t }

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