જો $(-7 - 24i)^{1/2} = x - iy$ હોય,તો $x^2 + y^2 = $

  • A
    $15$
  • B
    $25$
  • C
    $-25$
  • D
    આમાંથી કોઈ નહીં

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જો $\tanh^{-1}(x+iy) = \frac{1}{2} \tanh^{-1}\left(\frac{2x}{1+x^2+y^2}\right) + \frac{i}{2} \tan^{-1}\left(\frac{2y}{1-x^2-y^2}\right)$,જ્યાં $x, y \in \mathbb{R}$,તો $\tanh^{-1}(iy) =$

$\sqrt{24-70 i}+\sqrt{-24+70 i}$ ની કિંમતોમાંની એક કિંમત કઈ છે?

$\sqrt{12 - \sqrt{68 + 48\sqrt{2}}} = $ ની કિંમત શોધો.

$\sqrt{3 + \sqrt{5}} - \sqrt{2 + \sqrt{3}} = $

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

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