How do you differentiate #7xy- 3 lny= 42# at the point (6,1)?
We have to solve the given equation by implicit differentiation.
The given equation is
Let us express it in the form of
Differentiation w.r.t. x on both sides, we get:
Now, we have determined the general equation for the 1st derivative for the given function. We just need to put the values of