Given the matrix \[\left[ {\begin{array}{*{20}{c}} { - 4}&2 \\ 4&3 \end{array}} \right],\]   the eigen vector is

A. \[\left[ {\begin{array}{*{20}{c}} 3 \\ 2 \end{array}} \right]\]

B. \[\left[ {\begin{array}{*{20}{c}} 4 \\ 3 \end{array}} \right]\]

C. \[\left[ {\begin{array}{*{20}{c}} 2 \\ { - 1} \end{array}} \right]\]

D. \[\left[ {\begin{array}{*{20}{c}} { - 1} \\ 2 \end{array}} \right]\]

Answer: Option C