Use Taylor's formula for f(x,y) at the origin to find quadratic and cubic approximations of f(x,y)=- The quadratic approximation for f(x,y) is The cubic approximation for f(x,y) is . 2 near the origin. 1-2x-3y 2 Use Taylor's formula for f(x,y) at the origin to find quadratic and cubic approximations of f(x,y) = near the origin 1-x-2y The quadratic approximation for f(x,y) is The cubic approximation for f(x,y) is COOD