Civil Engineering Archive: Questions from March 05, 2023
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3) - \( x^{2} y^{\prime \prime}-2 x y^{\prime}+2 y=x^{3} \sin x \) - \( y^{\prime \prime}-4 y^{\prime}+5 y=e^{2 x} \csc x \) - \( y^{\prime \prime}+y=\cos x-\sin x \)2 answers