જો $z = \left(\frac{\sqrt{3}+i}{2}\right)^5 + \left(\frac{\sqrt{3}-i}{2}\right)^5$ હોય, તો

  • A
    $\operatorname{Re}(z) > 0, \operatorname{Im}(z) < 0$
  • B
    $\operatorname{Re}(z) > 0, \operatorname{Im}(z) > 0$
  • C
    $\operatorname{Re}(z) = 0$
  • D
    $\operatorname{Im}(z) = 0$

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જો ${x_r} = \cos \left( \frac{\pi }{2^r} \right) + i\sin \left( \frac{\pi }{2^r} \right)$ હોય,તો ${x_1} \cdot {x_2} \cdot {x_3} \cdots \infty$ નો ગુણાકાર શું થાય?

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જો $\omega$ એ એકમનું સંકર ઘનમૂળ હોય,તો $\omega^{\left(\frac{1}{3}+\frac{2}{9}+\frac{4}{27}+\ldots \infty\right)}+\omega^{\left(\frac{1}{2}+\frac{3}{8}+\frac{9}{32}+\ldots \infty\right)}$ ની કિંમત શોધો.

$(1 - \omega + {\omega ^2})(1 - {\omega ^2} + {\omega ^4})(1 - {\omega ^4} + {\omega ^8}) \dots$ $2n$ અવયવો સુધીનો ગુણાકાર શું થાય?

$\sum_{k=1}^6 \left[ \sin \left(\frac{2 \pi k}{7}\right) - i \cos \left(\frac{2 \pi k}{7}\right) \right] = $

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