वह न्यूनतम धनात्मक पूर्णांक $n$,जिसके लिए $\frac{(1+i)^{n}}{(1-i)^{n-2}}$ धनात्मक है,है

  • A
    $3$
  • B
    $4$
  • C
    $1$
  • D
    $2$

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Similar Questions

$\frac{(1+i)^{2011}}{(1-i)^{2009}}$ का मान ज्ञात कीजिए।

$\sum_{n=1}^{4} (\sqrt{-1})^{2n} = $

$x^{2}+2=0$ को हल कीजिए।

यदि $n$ एक धनात्मक पूर्णांक है,तो $\left( \frac{1 + i}{1 - i} \right)^{4n + 1} = $

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