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If A^2-A+I=0,A^-1=?...

If `A^2-A+I=0`,`A^-1=?`

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Knowledge Check

  • If iz^(3)+z^(2)-z+i=0 , where i= sqrt-1 then |z| is equal to

    A
    1
    B
    `(1)/(2)`
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