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Matrices and Determinants

JEE Main 2022 · 26 Jul, Morning shift · Q4534

MathematicsEasy244×since 2002Q4534

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 :

JEE Main 2022 · 26 Jul, Morning shift · Q4534

MathematicsEasy244×since 2002Q4534

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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