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Ishu 1 Asked a Question
November 5, 2021 5:22 pmpts 30 pts
The characteristic equation of a matrix A is 8-52 32+2 0, then |adj(A)F [KCET 2012] (b) 9 Solve in 30 second (a) 4 (c) 25 d)
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  • Navdeep goyal 1 Best Answer
    A is matrix of order 3 whose detriment is -2 | adjA|=|A|²=4
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    Navdeep goyal 1
    determinate of matrix is a product of egien values and product of eigen value is -2 so |A|=-2
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