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 $(\sqrt{8} + i)^{50} = 3^{49}(a + ib)$ है,तो $a^2 + b^2 = \dots$

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यदि $|z| = 1$ और $\omega = \frac{z - 1}{z + 1}$ (जहाँ $z \neq -1$),तो $\text{Re}(\omega)$ है

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