find: (a) the gradient of the given function at the point indicated, (b) an equation of the plane tangent to the graph of the given function at the point whose x and y coordinates are given. and (c) an equation of the straight line tangent, at the given point, to the level curve of the given function passing through that point. f(x, y)=(x-y)/(x y) at (1,1) | Numerade

Finding Gradient and y-Intercept From an Equation

Find the gradient of f at P, and then use the gradient to calcu... | Filo