Class 12 Determinants · Mcq Single Correct1 Marksdeterminant_properties
Class 12 Maths · Determinants · Mcq Single Correct #77
A is 3×3 and det(A)=5. Find det(adj A).
✅ Step-by-Step Solution
Final Answer: Option (B): 25
- For order 3, det(adj A)=det(A)²=25; the printed option b must be corrected from 10 to 25.
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