EC > GATE 2013 SET-4 > Differential Equations
A system described by a linear, constant coefficient, ordinary, first order differential equation has an exact solution given by y(t) for t > 0, when the forcing function is x(t) and the initial condition is y(0). If one wishes to modify the system so that the solution becomes -2y(t) for t > 0, we need to
A
change the initial condition to -y(0) and the forcing function to 2x(t)
B
change the initial condition to 2y(0) and the forcing function to -x(t)
C
change the initial condition to j2y(0) and the forcing function to j2x(t)
D
change the initial condition to -2y(0) and the forcing function to -2x(t)

Correct : d

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first order differential equation GATE EC 2013 modify differential equation initial condition change forcing function modification EC gate differential equation solution y(t) solution modification GATE 2013 Set-4

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