Abel's theorem

Abel's theorem in linear differential equations states that for any second order linear homogeneous ODE,

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Given Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle y_1, y_2} as particular solutions to the ODE, then the Wronskian of the two solutions can be described in terms of the ODE's coefficients as

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