engineering recuitment AAI ATC Junior Executive 2025 Mock Test Series Mathematics Complex Numbers De Moivre's Theorem
यदि \(\rm z=(\frac{\sqrt3}{2}+\frac{i}{2})^5+(\frac{\sqrt3}{2}-\frac{i}{2})^5\) है, तब
1
Re (z) = 0
2
Im (z) = 0
3
Re (z) > 0, Im(z) > 0
4
Re (z) > 0, Im (z) < 0