4. Calculate the Hessian for the function f (x, y, z) = xy + sin(y)sin(z) + 23ex. 0 / 1 point 3el 22 H = -sin(y) sin(z) cos(y) cos ( z) 3etz2 cos(y)cos(z) 6etz - sin(y)sin(z) O 3ez2 3el z H = 1 -sin(x2) sin(z) cos (y) cos (z) 3etz cos(y) cos(z) 6eyz2 - sin(y) sin(z) O 2ez3 H = 0 -sin(x) sin(z) cos(y) cos( z) 3ex2 2 cos(y) cos(z) 6elf - sin(y) sin(x) O $23 0 3ey2 2 H = 1 sin(y) sin(z) cos(y) cos( z) 3etz cos(y)cos(z) 6e z - sin(y) sin(z)]