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4. [2 marks] Given that 75 -7 +1673 - 1672+ 15r - 9-(2 4 1). (12 67+9) . (7- 1), the general solution to y(5)

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4. [2 marks] Given that 75 -7 +1673 - 1672+ 15r - 9-(2 4 1). (12 67+9) . (7- 1), the general solution to y(5) - 7y(4) + 16y(3) - 16y" + 15y - 9y = 0 is (A) y = Cite3z + C2 cos (x) + Cae3z + Cier + Cs sin (I) (B) y = Ci cos (r) + Cze5z + Cze3 + Cher + Co sin (I) (C) y = Ci cos (I) + Cze3z + Cze -32 + Cier + Cs sin (I) (D) y = Cited + C2 cos (x) + Gael + Cher + Cs sin (I) (E) None of (A)-(D)

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