If #x^2+y^2=25# and #dy/dt=6#, how do you find #dx/dt# when #y=4# ?
1 Answer
Sep 21, 2014
There are two values depending on the point.
Let us look at some details.
First, let us find the values of
By plugging in
Now, let us find some derivatives.
By differentiating with respect to
by dividing by
by subtracting
Since