Solve the initial value problem O y = cost + 7sint O y = e cost + 7e-¹ sint ○ y = e¹¹ +7e-7t Oy = 7e-¹¹ + e-7t O y = 7cost + sint O y = 7e-cost + e-7 sint = 1, y'(0) = 0 y" + 14y + 50y = 0, y(0) =

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