Exam 8: Systems of Linear First-Order Differential Equations

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The particular solution of X=(2321)X+(t1)\mathbf { X } ^ { \prime } = \left( \begin{array} { l l } 2 & 3 \\2 & 1\end{array} \right) \mathbf { X } + \left( \begin{array} { l } t \\1\end{array} \right) is

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The characteristic equation of A=(1324)A = \left( \begin{array} { l l } 1 & - 3 \\2 & - 4\end{array} \right) is

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The eigenvalues of A=(2211)A = \left( \begin{array} { l l } 2 & 2 \\1 & 1\end{array} \right) is

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The eigenvalues of A=(2112)A = \left( \begin{array} { c c } 2 & - 1 \\- 1 & 2\end{array} \right) is

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The solution of the system X=(2211)X\mathbf { X } ^ { \prime } = \left( \begin{array} { l l } 2 & 2 \\1 & 1\end{array} \right) \mathbf { X } is

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The solution of the system X=(2112)XX ^ { \prime } = \left( \begin{array} { c c } 2 & - 1 \\- 1 & 2\end{array} \right) X is

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The characteristic equation of A=(3221)A = \left( \begin{array} { c c } - 3 & - 2 \\2 & 1\end{array} \right) is

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The Wronskian of the vector functions X1=(11)e2tX _ { 1 } = \left( \begin{array} { c } 1 \\- 1\end{array} \right) e ^ { - 2 t } and X2=(35)e6tX _ { 2 } = \left( \begin{array} { l } 3 \\5\end{array} \right) e ^ { 6 t } is

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The Wronskian of the vector functions X1=(210)et,X2=(135)e2t\mathbf { X } _ { 1 } = \left( \begin{array} { l } 2 \\1 \\0\end{array} \right) e ^ { t } , \mathbf { X } _ { 2 } = \left( \begin{array} { l } 1 \\3 \\5\end{array} \right) e ^ { 2 t } and X3=(150)e3tX _ { 3 } = \left( \begin{array} { c } - 1 \\5 \\0\end{array} \right) e ^ { 3 t } is

(Multiple Choice)
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The solution of the system X=(3221)XX ^ { \prime } = \left( \begin{array} { c c } - 3 & - 2 \\2 & 1\end{array} \right) X is

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The eigenvalues of A=(3221)A = \left( \begin{array} { c c } - 3 & - 2 \\2 & 1\end{array} \right) is

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The characteristic equation of A=(3511)A = \left( \begin{array} { c c } - 3 & - 5 \\1 & - 1\end{array} \right) is

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A particular solution of X=(0110)X+(1t)\mathbf { X } ^ { \prime } = \left( \begin{array} { c c } 0 & 1 \\- 1 & 0\end{array} \right) \mathbf { X } + \left( \begin{array} { l } 1 \\t\end{array} \right) is

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The characteristic equation for the matrix A=(300011013)A = \left( \begin{array} { c c c } 3 & 0 & 0 \\0 & 1 & - 1 \\0 & 1 & 3\end{array} \right) is

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The solution of the system X=(2222)X\mathbf { X } ^ { \prime } = \left( \begin{array} { c c } 2 & - 2 \\2 & 2\end{array} \right) \mathbf { X } is

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The eigenvalues of A=(11214123112)A = \left( \begin{array} { c c c } 1 & - 12 & - 14 \\1 & 2 & - 3 \\1 & 1 & - 2\end{array} \right) is

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The characteristic equation of A=(2112)A = \left( \begin{array} { c c } 2 & - 1 \\- 1 & 2\end{array} \right) is

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The eigenvalues of A=(2211)A = \left( \begin{array} { l l } 2 & 2 \\1 & 1\end{array} \right) is

(Multiple Choice)
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The characteristic equation of A=(2211)A = \left( \begin{array} { l l } 2 & 2 \\1 & 1\end{array} \right) is

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The solution of the system X=(1324)X\mathbf { X } ^ { \prime } = \left( \begin{array} { l l } 1 & - 3 \\2 & - 4\end{array} \right) \mathbf { X } is

(Multiple Choice)
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