# f(x,y)=x^2 - y^2

a)partial derivative with respect to x.

So this means that you hold y^2 constant so would that be 0. So the answer would be 2x?

b) partical derivative with respect to y. 2y

a)partial derivative with respect to x.

So this means that you hold y^2 constant so would that be 0. So the answer would be 2x?

b) partical derivative with respect to y. 2y