if A is a square matrix and det A = 2 , then write the value of det AA' where A' is the transpose of matrix A.

As we know that,  det. A.A=det. A.A'=det A'A=det. A2 =det.A×det.Aso here it is given that, det A= 2 so det. AA'= 2×2=4 

  • 4

answer will be 4

  • -1
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