Badiuddin askIITians.ismu Expert
Last Activity: 15 Years ago
Dear rahul
given
(z+1)^5+(z-1)^5=0
arrange
{(z+1)/(1-z)}5 =1
take (z+1)/(1-z)=W
so {W}5 =1
or w=11/5
now from the property of nth rute of unity
w=(ei2∏/5)r
where r=0,1,2,3,4
(z+1)/(1-z) =(ei2∏/5)r
put different value of r and find corresponding value of z .
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Badiuddin