For each of the differential equation determine the order of the equation and if the equation is linear or nonlinear. dy (a) +2d²y + 3y = sint dt² dt (b) (1 + y³) dy dy dt² + ·+y=e¹ dt dyd³y d²y dy (c) dt4 + dt³ dt² dt + + +y = 7

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A:

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