problem 1. forin = >2-4xy , find the direction derivative of f at the Point P= (31 -2 ) in the direction from Point P = (31 - 2 ) to point . Q = ( 4,1 ) Problem 2. f ( X , y, Z) = xysinz , find the direction derivative of of from the point P= ( 1 12 , 2) to the V = ( 1 1 2, 2) direction