1.

If z_(0) is one of the roots of the equation z^(n)cos theta_(0)+z^(n-1)cos theta_(1)+…+z cos theta_(n-1)cos theta_(n)=2, where theta_(i) in R, then

Answer»

`|z_(0)|lt (1)/(2)`
`|z_(0)|GT (1)/(2)`
`|z_(0)|=(1)/(2)`
none of these

Answer :B


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