State the order of the given ordinary differential equation. (1 - x)y" - 9xy' + 5y = cos x Determine whether the equation is linear or nonlinear by matching it with (6) in Section 1.1. dy " א)ו - t ,a dx - 1 a¡(x)- dx dy + a,(x)y = g(x) + ... + (6) linear nonlinear

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