8. Find the solution r (t) of the IVP given as r" + 4x' + 13x = f (t) x (0) = 0 and a' (0) = 0 A) a (t) : f (t – T) e -3r sin 27 dt B) x (t) = C) r (t) = 1 f (t -т) e2T sin 3т dт D) x (t) = f (t - т)...

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Extracted text: 8. Find the solution r (t) of the IVP given as r" + 4x' + 13x = f (t) x (0) = 0 and a' (0) = 0 A) a (t) : f (t – T) e -3r sin 27 dt B) x (t) = C) r (t) = 1 f (t -т) e2T sin 3т dт D) x (t) = f (t - т) е 2T sin 3т dт E) r (t) = т) е-2r sin 3т dт