JEE Class main Answered
sir agar z ko simplify karke conjugate find kare to ans kyun nahi aa rha, kya galat hoga sir
![question image](http://images.topperlearning.com/topper/new-ate/653382image20210627175616.png)
Asked by itsnks2003 | 27 Jun, 2021, 17:56: PM
Given: ![straight z equals fraction numerator 4 over denominator 1 plus straight i end fraction](https://images.topperlearning.com/topper/tinymce/cache/2ec4c94b4dad3a1305f5d388b8a9c10f.png)
![straight z equals fraction numerator 4 over denominator 1 plus straight i end fraction](https://images.topperlearning.com/topper/tinymce/cache/2ec4c94b4dad3a1305f5d388b8a9c10f.png)
![straight z equals fraction numerator 4 over denominator 1 plus straight i end fraction cross times fraction numerator 1 minus straight i over denominator 1 minus straight i end fraction equals fraction numerator 4 open parentheses 1 minus straight i close parentheses over denominator 1 plus 1 end fraction equals 2 open parentheses 1 minus straight i close parentheses
rightwards double arrow top enclose straight z equals 2 open parentheses 1 minus straight i close parentheses equals 2 open parentheses 1 minus straight i close parentheses cross times fraction numerator 1 plus straight i over denominator 1 plus straight i end fraction equals fraction numerator 2 open parentheses 1 plus 1 close parentheses over denominator 1 plus straight i end fraction equals fraction numerator 4 over denominator 4 plus straight i end fraction](https://images.topperlearning.com/topper/tinymce/cache/77dd37ce7808d322aae4428a1fac2b3d.png)
Answered by Renu Varma | 28 Jun, 2021, 10:34: AM
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