Jee Main
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 :
Jee Main
JEE Main 2022 (Online) 26th July Morning Shift
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 :