સમીકરણ $ix^2 - 4x - 4i = 0$ ના બીજ શોધો.

  • A
    $-2i$
  • B
    $2i$
  • C
    $-2i, -2i$
  • D
    $2i, 2i$

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જો $-3+ix^2y$ અને $x^2+y+4i$ સંકર સંખ્યાઓ એકબીજાની અનુબદ્ધ (complex conjugates) હોય,તો $x=$

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જો $a+bi = \frac{i}{1-i}$ હોય,તો $(a, b) =$

$\frac{(\cos \alpha + i \sin \alpha)(\cos \beta + i \sin \beta)}{(\cos \gamma + i \sin \gamma)(\cos \delta + i \sin \delta)}$ ની કિંમત શોધો.

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