જો $a > 0$ અને $z = x + iy$ હોય,તો $\theta \in R$ માટે $\log_{\cos^2 \theta} |z - a| > \log_{\cos^2 \theta} |z - ai|$ શું સૂચવે છે?

  • A
    $x > y$
  • B
    $x < y$
  • C
    $x + y = \cos \theta$
  • D
    $x + y < 0$

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સંકર સંખ્યા $z=1+i \sqrt{3}$ ને ધ્રુવીય સ્વરૂપમાં દર્શાવો.

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