Using the method of undetermined coefficients, the modified form of a particular solution for the nonhomogeneous differential equation y" +3y' – 4y=2x+4e-4x – e-X is (А) Ур А +Вх+ Се 4х + Exе"х B Yp =A+Bx + C e-4x +E e-x -X © yp =A+ Bx+ Cxe¬4x + Ee¬x D Ур — А + Вх+ Схе- -4x + Exe¯X

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