જો ${\left( {\frac{{1 + i}}{{1 - i}}} \right)^m} = 1$ હોય,તો $m$ ની ન્યૂનતમ પૂર્ણાંક કિંમત શોધો.

  • A
    $2$
  • B
    $4$
  • C
    $8$
  • D
    આમાંથી કોઈ નહીં

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${\left( \frac{1 + i}{1 - i} \right)^2} + {\left( \frac{1 - i}{1 + i} \right)^2}$ ની કિંમત શોધો.

જો $i=\sqrt{-1}$ હોય,તો $(1+i)^{10}+(1-i)^{10}=$

$\sum\limits_{n = 1}^{50} {{i^{2n-1}}}$ ની કિંમત શોધો (જ્યાં $i = \sqrt{-1}$)

Difficult
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જો ${\left( {\frac{{1 - i}}{{1 + i}}} \right)^{100}} = a + ib$ હોય,તો

જો $n$ એ ધન પૂર્ણાંક હોય,તો $\left( \frac{1 + i}{1 - i} \right)^{4n + 1} = $

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