Find the directional derivative of the function at P in the direction of v. f (x, y) = x3 - y3, P(4, 3), V = 2 (i + j) 2Find dw/ds and dw/at using the appropriate Chain Rule. Function Point W = vs - 9x2y 5 = -5, t = 10 x=es, y= et Ow aw at Evaluate each partial derivative at the given values of s and t. aw Ow at