If \(A = \left[ {\begin{array}{*{20}{c}} 1&2\\ 2&1 \end{array}} \right]\), f(x) = x2 - 2x - 3 then find the value of f(A).
1
\(\left[ {\begin{array}{*{20}{c}} 0&0\\ 0&0 \end{array}} \right]\)
2
\(\left[ {\begin{array}{*{20}{c}} 1&0\\ 0&1 \end{array}} \right]\)
3
\(\left[ {\begin{array}{*{20}{c}} 1&1\\ 1&1 \end{array}} \right]\)
4
\(\left[ {\begin{array}{*{20}{c}} 0&1\\ 1&0 \end{array}} \right]\)
5
Not Attempted