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Matrices And Determinants

JEE Main 2022 (Online) 26th July Morning Shift

MCQ+4 / -12022

Let A be a 2 \(\times\) 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 :

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