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Consider the following differential equation. dy + y = f(x), y(0) = 1, where f(x) =_' 1, OSX51 dx x > 1 Find the coefficient function P(x) when the given differential equation is written in the standard form dy + P( x) y = f(x). dx P(x) = Find the integrating factor for the differential equation. eSP(x) dx = Proceed as in Example 6 in Section 2.3 to solve the given initial-value problem. O 1