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ધારો કે ${\omega _n} = \cos \left( {\frac{{2\pi }}{n}} \right) + i\sin \left( {\frac{{2\pi }}{n}} \right)$ અને ${i^2} = -1$ છે. તો $(x + y{\omega _3} + z{\omega _3}^2)(x + y{\omega _3}^2 + z{\omega _3})$ ની કિંમત શું થાય?

$\left[ \frac{1 - \cos \frac{\pi}{10} + i\sin \frac{\pi}{10}}{1 - \cos \frac{\pi}{10} - i\sin \frac{\pi}{10}} \right]^{10}$ ની કિંમત શોધો.

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

જો $(-i)$ ના સંકર ઘનમૂળ $\alpha, \beta, \gamma$ હોય,તો $\alpha^2+\beta^2+\gamma^2=$

${\left( {\frac{{1 + \sin \theta + i\cos \theta }}{{1 + \sin \theta - i\cos \theta }}} \right)^n} = $

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