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#Question id: 15942


If A and B are square matrices of size n x n, then which of the following is not true? 

#Section 1: Engineering Mathematics
  1. det (AB) = det(A)det(B) 
  2. det (kA) = kn det(A)
  3. det (A + B) = det(A) + det(B)
  4. det (AT) =  1 /det(A-1) 

Answer:- Option(s): 3


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