y" + 4y' + 5y = 50t, y(0) = 5, y'(0) = −5 a. e 2t (13 cost + 11 sin t) + 10t² - 8 b.e-2t (13 sint + 11 cost) + 10t - 8 c. e²t (13 cost + 11 sin t) + 10t − 8 d.e-2t (13 cost + 11 sin t) + 10t - 8

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