Maths-
General
Easy

Question

If p represents z = x + iy in the argand plane
| z – 1|2plus vertical line z plus 1 vertical line squared equals 4 ∣ then locus of P is -

  1. x2 + y2 = 2    
  2. x2 + y2 = 1    
  3. x2 + y2 = 4    
  4. x + y = 2    

The correct answer is: x2 + y2 = 1

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