CUET and UG exam CUET UG 2025 Mock Test Series Mathematics Matrices Adjoint and Inverse of a Square Matrix
If \(B = \left[ {\begin{array}{*{20}{c}} 3&2&0\\ 2&4&0\\ 1&1&0 \end{array}} \right]\), then what is adjoint of B equal to?
1
\(\left[ {\begin{array}{*{20}{c}} 0&0&0\\ 0&0&0\\ { - 2}&{ - 1}&8 \end{array}} \right]\)
2
\(\left[ {\begin{array}{*{20}{c}} 0&0&{ - 2}\\ 0&0&{ - 1}\\ 0&0&8 \end{array}} \right]\)
3
\(\left[ {\begin{array}{*{20}{c}} 0&0&2\\ 0&0&1\\ 0&0&0 \end{array}} \right]\)
4
It does not exist