Anonymous posted an Question
November 05, 2021 • 22:52 pm 30 points
  • IIT JAM
  • Mathematics (MA)

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)

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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  • Anonymous User Best Answer

    A is matrix of order 3 whose detriment is -2 | adjA|=|A|²=4

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    determinate of matrix is a product of egien values and product of eigen value is -2 so |A|=-2

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