IF |A|=2,where A is a 2x2 matrix ,find |adj A|. 

Ans:-

  • -7
Answer is 8 I don't know how to reach it
  • 2
Use the property of adj, Adj A = Det A^ N-1 (Where N is order of matrix)= 2^2-1=2, Ans =2
  • -2
|adj A| = 2 
hope this helps you 
  • 1
Please find this answer

  • 3
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