58-60Concise issues are also on download and background of bipolar goals. payments, Differentials, Chain Rule, Directional Derivatives, Gradient. ll of Partial Derivatives - Tangent Plane, possible Line, Relative Extrema, Absolute Extrema, Optimization, Lagrange Multipliers. dead Integrals - Iterated Integrals, Double Integrals, Double Integrals in Polar Coordinates, Triple Integrals, Triple Integrals in Cylindrical Coordinates, Triple Integrals in Spherical Coordinates, Change of Variables, Surface Area.