CBSE Class 12-science Maths Determinants

• det+ (b-1ab)=?
• Second question
  
• plz solve
  
• 14
  
• Prove this please I need this..
  
• A square matrix of order 3 has |A|=6 , find |A.adjA|
• Pl ans as fast as possible..
  
• If A is  a square matrix of order 3 and the |A| =6. What is the value of | 2A|?
• Using properties of determinants,prove that |   a       b       c| |a-b     b-c   c-a|   =   a^3+b^3+c^3-3abc |b+c   c+a   a+b|
• Evaluate

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