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Homogeneous linear equations 2

Calculus Level 2

What is the general solution to the differential equation $y''+4y'+4y=0$ ?

c_1e^{-2x}

c_1e^{2x}+c_2xe^{2x}

c_1e^{-2x}+c_2xe^{-2x}

(c_1+c_2)e^{-2x}

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by Samir Khan

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