Other Math Archive: Questions from January 02, 2023
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5. \( y^{\prime \prime}+2 y^{\prime}+10 y=5 x e^{-2 x} \) 6. \( y^{\prime \prime}+5 y^{\prime}+4 y=16 x+20 e^{x}, y(0)=0, y^{\prime}(0)=3 \)1 answer -
\[ \text { If } A=\left[\begin{array}{lll} 1 & 2 & x \\ 0 & 1 & 0 \\ 0 & 0 & 1 \end{array}\right], B=\left[\begin{array}{ccc} 1 & -2 & y \\ 0 & 1 & 0 \\ 0 & 0 & 1 \end{array}\right] \] and \( \mathrm{2 answers