Argument and modulus of frac1+i1−i are respectively
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1 Answers
Ashish Tiwari
·Sep 1 '12 at 19:30
(1+i) /(1-i) = (1+i)(1+i)/(1-i)(1+i) [Rationalising]
2i/2= i = 0+1i= which we can plot as a point (0,1) on the graph.
moduloe = √1 +0
= 1
therefore the point (0,1) is on the y-axis so the argument to it is i.e angle to the positive direction of x-axis , which is = 90 or Î /2
answers= 1,Î /2