If (x+iy)^2/2x+i = A+Bi, then prove that A^2+ B^2 =(x^2+y^2)^2/4x^2+1

1.	If (x+iy)^2/2x+i = A+Bi, then prove that A^2+ B^2 =(x^2+y^2)^2/4x^2+1
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