Could someone kindly help me with these?

f. partial derivative of the given function

a. fx if f(x, y) = ery log(ry) b. Dy ((x + y3)5 - sin(x - y)) a log(xz) C. az 2:2 d. Vf if f(x, y) = xy + xy+ y e. Vf(1, 2) if f is the function from d f. f(x, y) = (x+ 1) exp(y - x) - 3ysin(ry)