2 -1 (a) Find the general solution of the system of DEs X' = AX, where A = -1 -1 -1 -1 2 (b) Use the method of variation of parameters to find the general solution of the nonhomogeneous system of DEs...

(a) Find the general solution of the system of DEs ?′=??, where ?=[2−1−1−12−1−1−12].
(b) Use the method of variation of parameters to find the general solution of the nonhomogeneous system of DEs ?′=(1243)?+(2???).
Would you prefer to solve the above system by the method of undetermined coefficients? Justify your answer.

Extracted text: 2 -1 (a) Find the general solution of the system of DEs X' = AX, where A = -1 -1 -1 -1 2 (b) Use the method of variation of parameters to find the general solution of the nonhomogeneous system of DEs X' = (; 3)x + (;)- Would you prefer to solve the above system by the method of undetermined coefficients? Justify your answer.