If x+iy = 2+i/2-i prove that x^2+y^2=1 Share with your friends Share 6 Varun.Rawat answered this We have, x + iy = 2 + i2 - i ....1⇒x - iy = 2 - i2 + i ......2Multiply 1 and 2, we getx + iyx - iy = 2 + i2 - i × 2 - i2 + i⇒x2 - i2y2 = 1⇒x2 + y2 = 1 as, i2 = -1 19 View Full Answer