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```
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??
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

Simran Vinaik
1231 Points
```
```
2 years ago
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### Course Features

• 101 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions