Answer Happy

Question A Use power series to solve the differential equation. 1. y' - y = 0 2. y' = xy 3. y' = x²y 4. (x-3)y' + 2y = 0 5. y" + xy + y = 0 6. y" = y 7. (x² + 1)y" + xy' - y = 0 8. y" = xy 9. y" - xy' - y = 0, y(0) = 1, y'(0) = 0