For this problem A is the amount of salt in the tank. If a tank contains 150 liters of liquid with 18 grams of salt. A mixture containing 6 grams per liter is pumped into the tank at a rate of 2 liters/minute. The mixture is well-mixed, and pumped out at a rate of 1 liters/minute. The amount of salt in the tank satisfies the differential equation ? =0. Rewriting this as a linear differential equation we get ? =12 The integrating factor is ? and the solution is ?

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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.