@btechmathshub7050Method Of Variation Of Parameters (D²-1)y=2/1+e^x

@btechmathshub7050Method Of Variation Of Parameters (D²-1)y=2/1+e^x

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@btechmathshub7050Method Of Variation Of Parameters (D²-1)y=2/1+e^x
@btechmathshub7050Linear Differential Equation Of Higher Order