Let A be a 2*2 real matrix | Matrices | JEE MAIN 2024

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27-01-24 S2

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Let A be a $2 \times 2$ real matrix and I be the identity matrix of order 2 . If the roots of the equation $|A-x I|=0$ be -1 and 3 , then the sum of the diagonal elements of the matrix $A^2$ is.

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