9.Find:` dy/dx` `if x=t^2`
`y=t-t^3/3`

Find (dy)/(dx) , if x=a t^2, y=2a t .

' find dy/dx if x=3sin t-2 sin ^3t, y=3 cos t -2cos^3t

If x and y are connected parametrically by the equations given, without eliminating the parameter, Find (dy)/(dx) . x=2a t^2, y=a t^4

Find (dy)/(dx) , when x=a t^2 and y=2\ a t

Find (dy)/(dx) , if x = c t, y= ( c )/( t)

If x and y are connected parametrically by the equations given, without eliminating the parameter, Find (dy)/(dx) . x=4t , y=4/t

Find (dy)/(dx) , when x=a\ cos^3t and y=at .

Find (dy)/(dx) , when x=(1-t^2)/(1+t^2) and y=(2t)/(1+t^2)

Find (dy)/(dx), when x=(e^t+e^(-t))/2 \ a n d \ y=(e^t-e^(-t))/2

Find dy/dx x=e^t (sin t + cos t ),y=e^t(sin t -cos t)