Class 12 Determinants · Mcq Single Correct1 Marksdeterminant_properties
Class 12 Maths · Determinants · Mcq Single Correct #75
A is 3×3 and A adj(A)=10I. Find det(adj A).
✅ Step-by-Step Solution
Final Answer: Option (C): 100
- The identity gives det(A)=10, and det(adj A)=det(A)²=100.
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