The Wronskian of the Vector Functions $X _ { 1 } = \left( \begin{array} { c } 1 \\- 1\end{array} \right) e ^ { - 2 t }$

question 3

Multiple Choice

The Wronskian of the vector functions $X _ { 1 } = \left( \begin{array} { c } 1 \\- 1\end{array} \right) e ^ { - 2 t }$ and $X _ { 2 } = \left( \begin{array} { l } 3 \\5\end{array} \right) e ^ { 6 t }$ is

• A) \(8 e ^ { 4 t }\)
• B) \(2 e ^ { 4 t }\)
• C) \(- 8 e ^ { 4 t }\)
• D) \(- 2 e ^ { 4 t }\)
• E) \(15 e ^ { 4 t }\)

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