Teaching MPPSC Assistant Professor Mock Test Series 2025 Engineering Mathematics Linear Algebra Matrix Algebra
The co-factor of the element s in the determinant A given is:
\(A=\left|\begin{array}rm&n&o\\p&q&r\\s&t&u\end{array}\right|\)
1
(−)\(\left|\begin{array}&n&o\\q&r\end{array}\right|\)
2
\(\left|\begin{array}rm&n\\p&q\end{array}\right|\)
3
(−)\(\left|\begin{array}\\q&r\\t&u\end{array}\right|\)
4
\(\left|\begin{array}rn&o\\q&r\end{array}\right|\)