Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Complex Numbers Properties of Complex Numbers
For a complex number z = x + iy, find the modulus of z z̅ , where z̅ is the conjugate of z
1
x + y
2
x - y
3
x2 + y2
4
More than one of the above
5
None of the above