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Mathematics, 24.11.2021 09:10 marshallmattah

Solve the non-homogeneous differential equation y′′+9y=sec^(2)(3x) on the interval −π/6


Solve the non-homogeneous differential equation y′′+9y=sec^(2)(3x) on the interval −π/6

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Solve the non-homogeneous differential equation y′′+9y=sec^(2)(3x) on the interval −π/6
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