What is the solution to the initial – value problem : 4x²y" + 4xy' – y = 0 with y(4) = 2 and y'(4) = -2 ? -+, (x > 0) 7Vx --, (x > 0) 18 7Vx 18 y = 2 2 A y = +, (x > 0) 7Vx * -, (x > 0) 18 18 y =

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