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Grade:

                        

this is given in book.... |z|^2 – 2|z| – 4 then {|z| – 1 + sqrt(5)} { |z| – 1 – sqrt(5)} so 1 – sqrt(5) but after using quadratic formula we get 1 – sqrt(3) Why the difference??

2 years ago

Answers : (1)

Simran Vinaik
askIITians Faculty
1231 Points
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2 years ago
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