defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Matrices Operations on Matrices
Find a matrix X such that 2A + B + X = 0 , where
\(A=\begin{bmatrix} -1 & 2 \\\ 3 & 4 \end{bmatrix} \ \text{and} \;\rm B =\ \begin{bmatrix} 3 & -2 \\\ 1 & 5 \end{bmatrix} \ ?\)
1
\(\begin{bmatrix} 1 & 2 \\\ 7 & 13 \end{bmatrix}\)
2
\(\begin{bmatrix} -1 & -2 \\\ -7 & -13 \end{bmatrix}\)
3
\(\begin{bmatrix} 13 & 2 \\\ 7 & 1 \end{bmatrix}\)
4
\(\begin{bmatrix} -13 & -2 \\\ -7 & -1 \end{bmatrix}\)