CBSE Class 12 Mathematics 2026 Main Paper 65/3/2 · Q171 Marksadjugate
CBSE Class 12 Mathematics 2026 Main Paper 65/3/2 · Question 17 (Determinants)
If A adj(A)=2026 I₃, find det(adj(A)).
✅ Step-by-Step Solution
Final Answer: 2026²
- The given identity yields det A=2026. For a 3×3 matrix det(adj(A))=(det A)².
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