`arg(z^n)=n.argz` where `n in ZZ`

arg(z^(n))=nargz where !=psi lon theta

If z_(1),z_(2),z_(3),…,z_(n-1) are the roots of the equation z^(n-1)+z^(n-2)+z^(n-3)+…+z+1=0 , where n in N, n gt 2 and omega is the cube root of unity, then

If z_(1),z_(2),z_(3),…,z_(n-1) are the roots of the equation z^(n-1)+z^(n-2)+z^(n-3)+…+z+1=0 , where n in N, n gt 2 and omega is the cube root of unity, then

Two complex numbers z_1a n dz_2 have relation R such that z_1Rz_2, arg(z_1)="arg"( z _2) then R is

If z_1,z_2,z_3,………..z_(n-1) are the roots of the equation 1+z+z^2+…….+z^(n-1)=0, where n epsilon N, ngt2 then (A) z_1,z_2, …z_(n-1) are terms of a G.P. (B) z_1,z_2,……,z_(n-1) are terms of an A.P. (C) |z_1|=|z_2|=|z_3|=.|z_(n-1)|!=1 (D) none of these

If z_1,z_2,z_3,………..z_(n-1) are the roots of the equation 1+z+z^2+…….+z^(n-1)=0, where n epsilon N, ngt2 then (A) z_1,z_2, …z_(n-1) are terms of a G.P. (B) z_1,z_2,……,z_(n-1) are terms of an A.P. (C) |z_1|=|z_2|=|z_3|=.|z_(n-1)|!=1 (D) none of these

If the equation |z(z+1)^(8)=z^(8)|z+1| where z in C and z(z+1)!=0 has distinct roots z_(1),z_(2),z_(3),...,z_(n).( where n in N) then which of the following is/are true?

If z_(1),z_(2).........z_(n)=z, then arg z_(1)+arg z_(2)+......+argz_(n) and arg z differ by a

If arg(Z_(1)Z_(2))=arg Z_(1)+arg Z_(2)+n pi,n in Z and ifprinciple argument of Z in[-pi,pi) then Z_(1)=-2,Z_(2)=-3 then n=

Show that there is no complex number such that |z|le1/2 and z^(n)sin theta_(0)+z^(n-1)sintheta_(2)+....+zsintheta_(n-1)+ sintheta_(n)=2 where theta,theta_(1),theta_(2),……,theta_(n-1), theta_(n) are reals and n in Z^(+) .