$\frac{(\sin \frac{\pi}{8} + i \cos \frac{\pi}{8})^8}{(\sin \frac{\pi}{8} - i \cos \frac{\pi}{8})^8}$ का मान ज्ञात कीजिए।

  • A
    $i$
  • B
    $-i$
  • C
    $1$
  • D
    $2$

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माना $A_r = \left(x+\frac{1}{x}\right)^3 \cdot \left(x^2+\frac{1}{x^2}\right)^3 \cdot \left(x^3+\frac{1}{x^3}\right)^3 \cdots \left(x^r+\frac{1}{x^r}\right)^3$. यदि $x^2+x+1=0$ है,तो $\frac{1}{A_3}+\frac{1}{A_6}+\frac{1}{A_9}+\frac{1}{A_{12}}+\cdots \infty =$

यदि $\alpha$ एक सम्मिश्र संख्या है जो समीकरण $\alpha^{2}+\alpha+1=0$ को संतुष्ट करती है,तो $\alpha^{31}$ का मान क्या होगा?

यदि $\omega = \frac{-1 + \sqrt{3}i}{2}$ है,तो $(3 + \omega + 3\omega^2)^4 = $

$(1 - \omega + {\omega ^2})(1 - {\omega ^2} + {\omega ^4})(1 - {\omega ^4} + {\omega ^8}) \dots$ $2n$ गुणनखंडों तक का गुणनफल क्या है?

यदि $1, \omega, \omega^2, \ldots, \omega^8$ समीकरण $x^9-1=0$ के मूल हैं,तो $\sum_{r=1}^8 \left(\omega^r\right)^{99} =$

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