The function is .
Definition of conservative :
\In a vector field , if
then F is conservative.
If F is conservative then the potential function for is
.
The function is .
So F is conservative.
\If F is conservative, then find the potential function for .
.
equation (1)
equation (2)
equation (3)
From equation (1), equation (2) and equation (3), .
F is conservative.
\The potential function is .