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Matrices and Determinants

Section: Mathematics

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Question : 10

Total: 56

Let β be a real number. Consider the matrix
A=(

β	0	1
2	1	−2
3	1	−2

)
If A7−(β−1)A6−βA5 is a singular matrix, then the value of 9β is

[JEE Adv 2022 P2]

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