CBSE Class 12 Mathematics 2026 Main Paper 65/2/2 · Q161 Marksmatrix_inverse
CBSE Class 12 Mathematics 2026 Main Paper 65/2/2 · Question 16 (Matrices)
For a square matrix A, which expression equals (3A)⁻¹ when it exists?
✅ Step-by-Step Solution
Final Answer: A⁻¹/3
- A is then invertible, and multiplying 3A by A⁻¹/3 gives I.
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