Question
$\frac{1}{2} + \frac{{i\sqrt 3 }}{2}$ का एक चतुर्थ मूल होगा
अब ${\left( {\frac{1}{2} + i\frac{{\sqrt 3 }}{2}} \right)^{1/4}} = {\left( {\cos \frac{\pi }{3} + i\sin \frac{\pi }{3}} \right)^{1/4}}$
$ = \left( {\cos \frac{\pi }{{12}} + i\sin \frac{\pi }{{12}}} \right)$$ = cis\,\left( {\frac{\pi }{{12}}} \right)$.
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