If arg(z-1)=arg(z+3i), then find (x-1)/y, where z=x+iy

If abs(z+1) = z+2 (1+i), then find z

If z=(-1-i) , then arg z =

If arg(z) = theta , then arg(bar z) =

If arg(z)= theta , then arg( bar z ) = ?

If arg(z) lt 0 , then arg(-z)-arg(z) is equal to

If z=x+iy and abs(z - zi) = 1, then,

Select the correct answer from the given alternatives. If arg (z) = theta , then arg (bar z) =

If z_1 and z_2 are two non-zero complex numbers such that abs(z_1+z_2) = abs(z_1)+abs(z_2) , then arg(z_1)-arg(z_2) is equal to

If z=x+iy and z^(1/3) = p+iq, then (x/p+y/q) ÷ ( p^2 - q^2 )=