Other Math Archive: Questions from November 11, 2022
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2 answers
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1) \( \left(D^{2}-1\right) y=e^{2 x} \) 2) \( \left(D^{2}-1\right) y=e^{x} \) 3) \( (D-1)^{3}\left(D^{2}+1\right) y=e^{x} \) 4) \( \left(4 D^{2}-12 D+9\right) y=e^{4 x}+e^{3 x} \) 5) \( y^{\prime \pri2 answers -
2 answers
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gauss-jordan
\( 9 x \) más \( -4 y+-1 z=35 \) \( 9 x+2 y \) más \( -4 z=14 \) \( -4 x \) más \( 7 y+6 z=7 \)0 answers -
\( \mathbf{y}^{\prime}=\left[\begin{array}{rrr}-1 & 1 & 0 \\ 1 & -1 & -2 \\ -1 & -1 & -1\end{array}\right] \mathbf{y}, \quad \mathbf{y}(0)=\left[\begin{array}{r}6 \\ 5 \\ -7\end{array}\right] \)1 answer