A) 2
B) ? 2
C) 1
D) ?1
Correct Answer: D
Solution :
It is implicit function, so \[\frac{dy}{dx}=-\frac{\partial f/\partial x}{\partial f/\partial y}=-\frac{\cos (x+y)-\frac{1}{x+y}}{\cos (x+y)-\frac{1}{x+y}}=-1\].You need to login to perform this action.
You will be redirected in
3 sec