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Matrices and Determinants Part 3

Section: Mathematics
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Question : 30 of 100
 
Marks: +1, -0
Let A be a 2×2 real matrix and I be the identity matrix of order 2 . If the roots of the equation |A−xI|=0 be -1 and 3 , then the sum of the diagonal elements of the matrix A2 is...............
[27-Jan-2024 Shift 2]
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