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If ((1+i)/(1-i))^(m)=1, then find the le...

If `((1+i)/(1-i))^(m)=1`, then find the least positive integral value of m.

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Knowledge Check

  • if x^n - 1 is divisible by x - k , then the least positive integral value of k is

    A
    1
    B
    2
    C
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    D
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