Wb Jee
Matrices And Determinants
WB JEE 2010
MCQ+1 / -0.252010
If \(A = \left[ {\matrix{ 1 & 2 \cr { - 4} & { - 1} \cr } } \right]\) then A\(-\)1 is
Wb Jee
WB JEE 2010
If \(A = \left[ {\matrix{ 1 & 2 \cr { - 4} & { - 1} \cr } } \right]\) then A\(-\)1 is