GATE Electronics and Communications (EC) 2013 Solved Paper

Question : 37 of 65

Marks: +1, -0

Let A be m × n matrix and b an n × m matrix. It is given that determinant ( I_m + AB ) = determinant ( I_n + BA ), where I_k is the k × k matrix. Using the above property, the determinant of the matrix givenbelow is

{[\table 2 , 1 , 1 , 1 ; 1 , 2 , 1 , 1 ; 1 , 1 , 2 , 1 ; 1 , 1 , 1 , 2]}

Validate

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