CBSE Class 12 Mathematics 2026 Main Paper 65/5/1 · Q51 Marksadjugate
CBSE Class 12 Mathematics 2026 Main Paper 65/5/1 · Question 5 (Determinants)
Which statement is false when A is nonsingular?
✅ Step-by-Step Solution
Final Answer: adj(A) is singular
- Since adj(A)=det(A)A⁻¹, it is invertible. Also adj(A⁻¹)=(adj(A))⁻¹.
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