State the order of the given ordinary differential equation. (1-x)y" - 4xy' + 8y = cos x Determine whether the equation is linear or nonlinear by matching it with (6) in Section 1.1. an(x) any dn - ly dx" 2 (x) 0² •a₁(x) dx + a(x) = g(x) (6) dx-1 O linear O nonlinear

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