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Class 12 Determinants · Conceptual Answer1 Marksdeterminant_scaling

Class 12 Maths · Determinants · Conceptual Answer #39

A is 2×2 and det(A)=4. Find det(2AAᵀ).

✅ Step-by-Step Solution

Final Answer: 64
  1. det(2AAᵀ)=2²det(A)det(Aᵀ)=4·4·4=64.
  2. 64

📋 CBSE Stepwise Marking Scheme

  • [0.5 marks] det(2AAᵀ)=2²det(A)det(Aᵀ)=4·4·4=64.
  • [0.5 marks] 64

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