First, this isn't a "differential equation" nor are you asked to "evaluate" anything. You are asked to find gradient of the function
The derivatives are fairly straight forward. By the chain rule,
Can you do the other two partial derivatives?
First, this isn't a "differential equation" nor are you asked to "evaluate" anything. You are asked to find gradient of the function
The derivatives are fairly straight forward. By the chain rule,
Can you do the other two partial derivatives?