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If z(r)(r=0,1,2,…………,6) be the roots of ...

If `z_(r)(r=0,1,2,…………,6)` be the roots of the equation
`(z+1)^(7)+z^7=0`, then `sum_(r=0)^(6)"Re"(z_(r))=`

A

0

B

`3//2`

C

`7//2`

D

`-7//2`

Text Solution

Verified by Experts

The correct Answer is:
D
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OBJECTIVE RD SHARMA-COMPLEX NUMBERS -Exercise
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