Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Matrices Types of Matrices
The skew-symmetric part of the matrix \(\left[\begin{array}{lll}6 & 8 & 5 \\ 4 & 2 & 3 \\ 9 & 7 & 1\end{array}\right]\) is,
1
\(\left[\begin{array}{rrr}0 & 2 & -2 \\ -2 & 0 & -2 \\ 2 & 2 & 0\end{array}\right]\)
2
\(\left[\begin{array}{rrr}0 & -2 & 2 \\ 2 & 0 & 2 \\ -2 & -2 & 0\end{array}\right]\)
3
\(\left[\begin{array}{lll}6 & 6 & 7 \\ 6 & 2 & 5 \\ 7 & 5 & 1\end{array}\right]\)
4
More than one of the above
5
None of the above