(MULTIPLE CHOICE) Which of the following describes the nature of roots of the auxiliary equation corresponding to the DE y(4) + 3y" + 6y" + 5y +3 = 0? (A) real - distinct (F) real distinct; imaginary - distinct (B) real - distinct; real-repeated (C) real repeated (G) real distinct; real-repeated; imaginary - distinct (D) imaginary - distinct (E) real - repeated; imaginary distinct (H) imaginary - repeated

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