engineering recuitment ISRO Scientist Civil Mock Test Engineering Mathematics Complex Variables Complex Functions
The complex number \({{\left( \frac{2+i}{3-i} \right)}^{2}}\) is
1
\(\frac{1}{2}\left( \cos \frac{\pi }{4}+i\sin \frac{\pi }{4} \right)\)
2
\(\frac{1}{2}\left( \cos \frac{\pi }{2}+i\sin \frac{\pi }{2} \right)\)
3
\(\frac{1}{2}~(\cos \pi +i\sin \pi)\)
4
\(\frac{1}{2}\left( \cos \frac{\pi }{6}+i\sin \frac{\pi }{6} \right)\)