state gov MP Vyapam Agriculture Officer (RAEO) Mock Test 2023 Mathematics Matrices Operations on Matrices
If \(A = \,\left[ {\begin{array}{*{20}{c}} 1&0\\ 2&0 \end{array}} \right]\),\(B = \left[ {\begin{array}{*{20}{c}} 0&0\\ 1&{12} \end{array}} \right]\), then
1
AB = 0, BA = 0
2
AB = 0, BA ≠ 0
3
AB ≠ 0, BA = 0
4
AB ≠ 0, BA ≠ 0