Part 1 of 2 points O Points: 0 of 1 22f a2 f The two-dimensional Laplace equation + ax 2 =0 describes the potentials and steady-state temperature distributions in a plane. Show that the function satisfies the two-dimensional Laplace equation. f(x,y) = eTo by sin 6x Find the second-order partial derivatives of f(x,y) with respect to x and y, respectively. 22f 22 f S ax 2 ay