यदि $z = r{e^{i\theta }},$ है,तो $|{e^{iz}}| = $

  • A
    ${e^{r\sin \theta }}$
  • B
    ${e^{ - r\sin \theta }}$
  • C
    ${e^{ - r\cos \theta }}$
  • D
    ${e^{r\cos \theta }}$

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यदि $\log_{\tan 30^{\circ}} \left( \frac{2|z|^2 + 2|z| - 3}{|z| + 1} \right) < -2$ है,तो:

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यदि $\frac{c + i}{c - i} = a + ib$,जहाँ $a, b, c$ वास्तविक संख्याएँ हैं,तो $a^2 + b^2 = $

यदि $z = \cos \frac{\pi}{6} + i\sin \frac{\pi}{6}$ है,तो:

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