यदि मांग फलन p = 35 - 2x - x2 है और संतुलन मांग मात्रा x0 = 3 है, तो उपभोक्ता की बचत (consumer's surplus) क्या होगी?

Match List-I (Economic model) with List-II (Type of equation used): List - I (A) Cobweb Model (B) Harrod-Domar Growth Model (C) Continuous Compound Interest (D) Samuelson Multiplier-Accelerator Model List - II (I) Second-order difference equation (II) First-order differential equation (III) First-order difference equation (IV) Second-order differential equation

Consider the following statements for a production function q = f(x1, x2) which is homogeneous of degree k: (i) ∂q∂x1 · x1 + ∂q∂x2 · x2 = kq (ii) Scale elasticity is equal to k (iii) λk q = f(λ x1, λ x2) (iv) Marginal products are homogeneous of degree (k - 1) Choose the correct statements: