Question

z+1/z=2;z=? ans it
its urgent

Answer 1

$z + \frac{1}{z} = 2 \\ \frac{ {z}^{2} + 1}{z} = 2 \\ {z}^{ 2} + 1 = 2z \\ {z}^{2} - 2z + 1 = 0 \\ {(z - 1)}^{2} = 0 \\ z - 1 = 0 \\ z = 1$