Question: Question 3Solve the system:(D2+1)[x1]-2D[x2]=2t,(2D-1)[x1]-(2-D)[x2]=5,by using the elimination method (operator method).Question 4: 23 Marks(4.1) Solve the system:4x+y+y=-6t2x-x+y-y=t3-210by using the elimination method (operator method). Hint. Eliminate x

Question 3Solve the system:(D2+1)[x1]-2D[x2]=2t,(2D-1)[x1]-(2-D)[x2]=5,by using the elimination method (operator method).Question 4: 23 Marks(4.1) Solve the system:4x+y+y=-6t2x-x+y-y=t3-210by using the elimination method (operator method). Hint. Eliminate x first.(4.2) Just Reduce the system(D-1)[x]+D[y]=e2t2D[x]-4D[y]=2t2,to an equivalent triangular system of the formP1[y]=f1(t)P2[x]+P3[y]=f2(t)

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