Doubt from complex numbers


D16
I am getting this which don't matches with any options

Is the answer option 3?

Yes, send the solution please

2 Likes

Shouldn't you last step be

Yes but the plus minus can be adjusted.....

How?
I am getting these
One of them matches

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Actually in my answer I have written the plus minus in the wrong position. Wait I'll upload right procedure...

there you go... And if you ask how I got plus minus here, then I considered one rotation in clockwise direction and other in anticlockwise direction.... Hope you understand now....:slightly_smiling_face: actually I had done a similar question so I skipped to the final step.