The stiffness matrix of a beam is given as \(K = \left[ {\begin{array}{*{20}{c}} {12}&4\\ 4&5 \end{array}} \right]\) Calculate the flexibility matrix. Flexibility matrix will be ______.
1
\(\frac{K}{{44}}\left[ {\begin{array}{*{20}{c}} {12}&{ - 4}\\ { - 4}&5 \end{array}} \right]\)
2
\(\frac{K}{{44}}\left[ {\begin{array}{*{20}{c}} {12}&4\\ 4&5 \end{array}} \right]\)
3
\(\frac{1}{{44}}\left[ {\begin{array}{*{20}{c}} {12}&{ - 4}\\ { - 4}&5 \end{array}} \right]\)
4
\(\frac{1}{{44}}\left[ {\begin{array}{*{20}{c}} 5&{ - 4}\\ { - 4}&{12} \end{array}} \right]\)