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a+ib a) a 2 +c 2 =0 b) b 2 +c 2 =0 c) b 2 +d 2 =0 d) a 2 +d 2 =0

a+ib<=c+id   is a meaningful only when


a) a2+c2=0


b) b2+c2=0


c) b2+d2=0


d) a2+d2=0

Grade:

1 Answers

Pratham Ashish
17 Points
12 years ago

hi,

  we can, t compare two complex no. . there is no such concept . comparison will be possible only if both the no. are real.

means   b as well as d  is equal to zero. means

c) b2+d2=0

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