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If complex number Z^4=1-i then find all the rrots of Z.…...................................…...................................…........................................…...........................

prasad , 6 Years ago
Grade 11
anser 1 Answers
Arun

Last Activity: 6 Years ago

Dear Prasad
 
z^4 = sqrt(2) (cos (- pi/4)+ i sin (- pi/4))
z^4 = sqrt(2) (cos (2k pi + (- pi/4))+ i sin (2k pi + (- pi/4)))
 
put k = 0, 1, 2 ,3
I hope that you can proceed now
 
Regards
Arun (askIITians forum expert)

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