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Solve the differential equation y^(4) + 4y'' + 4y = 0 with initial conditions y(0) = 1, y'(0) = 0, y''(0) = -2, y'''(0) = 0.

Mathematics

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Step-by-step solution

2 steps

1. Solve the following differential equation:
y(4)+4y′′+4y=0y^{(4)} + 4y'' + 4y = 0
Find the general solution and then determine the particular solution satisfying y(0)=1y(0) = 1, y′(0)=0y'(0) = 0, y′′(0)=−2y''(0) = -2, y′′′(0)=0y'''(0) = 0.

  1. Find the characteristic equation.

    The given differential equation is y(4)+4y′′+4y=0y^{(4)} + 4y'' + 4y = 0.
    The characteristic equation is obtained by replacing derivatives with powers of rr:

    r4+4r2+4=0r^4 + 4r^2 + 4 = 0
  2. Solve the characteristic equation.

    Let $u = r^

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