2 2 votes Consider the matrix $\mathrm{M}=\left[\begin{array}{ccc}2 & 1 & 1 \\ 1 & 3 & 0 \\ -1 & a & b\end{array}\right]$.Which of the following options is/ are TRUE if $\operatorname{det}(\mathrm{M}) \neq 0 ?$$a=-\frac{1}{2}$ and $b=-\frac{1}{2}$$a=\frac{1}{2}$ and $b=\frac{1}{2}$$a=-3$ and $b=0$$a=\frac{1}{2}$ and $b=-3$ Linear Algebra gateec-2026 linear-algebra determinant matrix-algebra system-of-equations multiple-selects + – gatecse 404 views answer comment Share Follow Add Sync Questions Print 0 reply Please log in or register to add a comment.
0 0 votes Option B, D is correct. akash_kumar 9 answered Mar 11 akash_kumar 9 comment Share Follow 0 reply Please log in or register to add a comment.
