Week 10 & 11

Week 10: Economic applications of derivative. Concept of maxima & minima, elasticity and point of inflection. Profit & revenue maximization under perfect competition, under monopoly. Maximizing excise tax revenue in monopolistic competitive market, Minimization of cost etc.

Week 11: Partial & Total Differentiation: Partial differentiation & its rules. Higher order & cross partial derivatives (young's theorem). Total differential & total derivatives.