Section 14.4: Tangent Planes
Exercise 32
If \(z = x^2 - xy + 3y^2\) and \((x, y)\) changes from \((3, -1)\) to \((2.96, -0.95)\), compare the values of \(\Delta z\) and \(dz\).
If \(z = x^2 - xy + 3y^2\) and \((x, y)\) changes from \((3, -1)\) to \((2.96, -0.95)\), compare the values of \(\Delta z\) and \(dz\).