engineering recuitment BARC Stipendiary Trainee Category II 2023 Mock Test Mathematics Determinants Minors and Cofactors
आव्यूह ∆ = \(\left( {\begin{array}{*{20}{c}} 6&5\\ 2&4 \end{array}} \right) \) में अवयव 2 के लिए क्रमशः उपसारणिक और सह-गुणन खंड ज्ञात करें
1
M21 = -5, A21 = 5
2
M21 = 5, A21 = -5
3
M21 = -5, A21 = -5
4
M21 = 5, A21 = 5