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solve for x :x7 = 1{ the answer is not only = 1, it probably has 6 other values }

anthony rebello , 15 Years ago
Grade 12
anser 2 Answers
Askiitian.Expert Rajat

Last Activity: 15 Years ago

Hi Anthony

1 = cos2pi + isin2pi

11/7 = cos(2rpi/7) + isin(2rpi/7)

where

r = 1,2,3,4,5,6,7

This was derived using Euler's Formula

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Regards,

Rajat

Askiitians.com

anthony rebello

Last Activity: 15 Years ago

thnx for the reply, but i hav a doubt :

 

why cant    1=cos (0) + i sin (0)

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