The DE y"-4y, + 4y = f(x) has a particular solution yp-X2e2c, where f(z) is an unknown continuous function. Which of the following is the general solution to this DE? 4)as a particular solution g ,where O y=ae^(2x)+be^(2x)+x*e^(2x) O y=ae^(2x)+be?(2x)+x*e ^(2x) O y=ae^(2x)+be?(2x)+x^2"e^(2x) O y=ae^(2x)+bxe^(2x)