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5. Let y E C2([0, T]; R), T > 0 satisfy y(t) = 피t, y(0) = y(0) = 0 e R. Use Picard-Lindelöf 1+t to prove that a unique sol

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5. Let y E C2([0, T]; R), T > 0 satisfy y"(t) = 피t, y(0) = y'(0) = 0 e R. Use Picard-Lindelöf 1+...
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