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Class 12 Determinants · Conceptual Answer1 Marksadjugate

Class 12 Maths · Determinants · Conceptual Answer #86

A is a square matrix of order n and det(A)=4. Find det(A adj(A)).

✅ Step-by-Step Solution

Final Answer: 4ⁿ
  1. The adjugate identity gives A adj(A)=det(A)Iₙ=4Iₙ, whose determinant is 4ⁿ.
  2. 4ⁿ

📋 CBSE Stepwise Marking Scheme

  • [0.5 marks] The adjugate identity gives A adj(A)=det(A)Iₙ=4Iₙ, whose determinant is 4ⁿ.
  • [0.5 marks] 4ⁿ

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