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QUESTION 7 Find a general solution to 4y" - 8y" +4y' =sin(x). a. b. *xx)=G+ + Ce* + Cxxe* + cos(x) , G-C3: Constant *V(x) = G + Cze*+Cgxe* + sin(x), G-C3: Constant x(x)=G + Cze-*+Cxxe*** cos(x) , G - C3: Constant 4. y(x)=G+Cze+*+Cyxe-*+ sin(x), G - C3: Constant d.