M-274 Midterm: Montana State MATH 274 Exam2

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7 Mar 2019
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P t r r s r r . Y + 3y + 23y = 0. T2y + 3ty + y = t 1 s r t p r t rs s str t r r t . Y(4) + 2y + 10y + 18y + 9y = 0 t y(x) = sin3x s s t . Y + 4y + y 26y = e 3x sin 2x. T t r y 3y + 2y = e x sin 3x; y(0) = 1, y (0) = 2. T ss 250 g s tt t t s r t t s str t 25 cm r 9 n . T t t = 0 t s 1 m t t r t str t t s r s t t t . T t 5 m/s t t t . Y(t) t r a cos( t ) t s s s r r t s t .