Algebra > Matrices & Determinants
Medium
applied
If $A = [a_{ij}]_{3×3}$ where $a_{ij} = \begin{cases} (-1)^{i+j} - 1, & i = j \\ (-1)^{i+j}, & i \neq j \end{cases}$ then the value of $A + A^T$ is:
✅ Correct Option: 3
Related questions:
2026: 12th May Shift 2
2025: 3 June Shift 1
2026: 30th May Shift 2
2026: 19th May Shift 1
2025: 30 May Shift 2
2022: 25 May Shift 1