The initial concentration of phosphorous (C) in a waste water pond is 107 ppm, as against the acceptable limit of 6.75x10° ppm. The concentration (C) will reduce as fresh water enters the pond. The differential equation that governs the concentration, C as a function of time (in weeks) is given by. dC + 0.06 C = 0, C(0) =107 ppm dt Using Euler's method and a step size of 2 weeks, Calculate (i.) (ii.) (ii.) The concentration of the phosphorus after 6 weeks. Exact concentration after 6 weeks Relative absolute error

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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.