3. An object is thrown vertically upwards with an initial velocity 20 ms ¹. The rate of displacement is, ds -=U dt and g = gt, where s is displacement at time t 9.8 ms 2. Find the expression for s, if at t = 0, s = 0.

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A: Topic: Differential Equation   The answer is given below:

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Q: Solve (x + 4y + 3) dx = (2x - y - 3) dy a. (x - y)ln |xy| +3(x - 1) = C(x - y) b. (x (x+y)ln + y)ln…

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