Matrices and Determinants Part 3

Section: Mathematics

Question : 93 of 100

Marks: +1, -0

Let A be a 2×2 matrix with det(A)=−1 and det((A+I)(Adj(A)+I))=4. Then the sum of the diagonal elements of A can be :

[26-Jul-2022-Shift-1]

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a	−b
−c	d

(a+d)	0
0	(a+d)