= dt 3. The differential equation describing the variation of capacitor charge in d²q dq an alternating current circuit is given by +2 = 2q = dt² 50 cos 2t. Find an expression for the charge q of the capacitor in the dq circuit at any time t seconds, given that t = 0, q = 0 and = 0 4. Show that y = -2x + 3 is a particular integral of the differential equation 23 d9y = 18x + 19. Hence find the general solution of the 12d²y dx² dx differential equation. 5. Solve the differential equation v = x + y + 4. dy dx = (x + y + 4)², using the substitution

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A: Thanks for the question :)And your upvote will be really appreciable ;)

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