Answer: please refer to the explanation section
Step-by-step explanation:
Assume we have two accompanies in the market Firm A and Firm B and the Demand curve be Dq. When Firm A and Firm B form a Monopoly through Collusion the will split the demand in half, each firm will act as if its demand curve is Dq/2.
Firm A = Dq/2, Firm B = Dq/2. Firm A will supply Q/2 units and Firm B will supply Q/2 units. The Market Demand curve will the combined demand curves of both firms. Market Demand Curve = Dq/2 + Dq/2 or simply Dq