Suppose the cost c of producing qa units of product A and qg units of product B is given by c=(3q°A +q°8 +4) and the coupled demand functions for the products are given by = 10 - PA +p°8 and qg = 12 + PA - 9Pg. Use a chain rule to evaluate and when pPA = 25 and Pe = 4. dPA (Simplify your answer.) OPA PA = 25. Pe -4

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Differential Equations

Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differential equations.