Find the directional derivate of "f" at point " P " in the Indicated direction f ( x, y , z ) = x2 4 3 yz+4xy P ( 1, 0, - 5 ) 9 = 421-3, 17 7 f ( x , y , 2 ) = 2 * + 4 y, 3 =+4x, 3y ] = (2,-17, 0 ] Uv = V= 1 (21 - 3;+k ) 1 2" + ( - 3) 2 + 72 K Duf ( 1, 0 , - 5 ) = Af ( x, y, 2)- UV= (2,-71,0 ) (gi- Hituk 33 37 = 9.88 14