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If adj (A) = [{:(0,-2,0),(6,2,-6),(-3,0,...

If adj (A) = `[{:(0,-2,0),(6,2,-6),(-3,0,6):}] "find" " "A^(-1)`.

Text Solution

Verified by Experts

The correct Answer is:
`pm(1)/(6)((0,-2,0),(6,2,-6),(-3,0,6))`
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If A = [(1,0,2),(0,2,1),(2,0,3)] "and" " "A^(3)-6A^(2)+7A+kI=0, find the value of k.

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Knowledge Check

  • If A = [(3,-3,4),(2,-3,4),(0,-1,1)] then adj ( adj A) is

    A
    `[(3,-3,4),(2,-3,4),(0,-1,1)] `
    B
    `[(6,-6,8),(4,-6,8),(0,-2,2)]`
    C
    `[(-3,3,-4),(-2,3,-4),(0,1,-1)]`
    D
    `[(3,-3,4),(0,-1,1),(2,-3,4)]`
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