please show whole problem

Question 14 0/2 pts 0 3 21 0 Detai Find a unit normal vector to the surface f(I, 1/, 2) = 0 at the point P(2, 2, 1) for the function 2.r f(x, y, 2) = In y Z Write your answer In ijk-form and in exact form. There is no need to place the arrow above the ijk- vectors. Enter i for i, j for j and k for k