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al 4G @@) HW4 Math 201 (0.5 Points) Use the method of undetermined coefficients to find a particular solution for the differential equation d*y _dy %Y _ 3% | o 6eos(z 5 1 "dx? 3(1..,. + 2y = 6 cos(x) + 9sin(x) A y = 3cos(x) + 2sin(x) B y = 3cos(z) 2sin(z) C y=3sin(x) 2cos(z) D y = 3sin(z) + 2cos(x) (0.5 Points) What is the complete solution of the differential equation d*y _dy o2 2(1—' +y=x—2—2cos(x) A y=sinz+zx B y = Ae® + Bxe® +sinx + cosx C y=Ae* + Bre* +sinz+x D y= Ae* + Bre* +cosx +x
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