If `a rg(z_1)=170^0 and arg(z_2)=70^0` , then find the principal argument of `z_1z_2dot`

If a rg(z_1)=170^0a n d arg(z_2)70^0 , then find the principal argument of z_1z_2dot

If arg (z_(1))=(17pi)/18 and arg (z_(2))=(7pi)/18, find the principal argument of z_(1)z_(2) and (z_(1)//z_(2)).

If arg(z_(1))=(2pi)/3 and arg(z_(2))=pi/2 , then find the principal value of arg(z_(1)z_(2)) and also find the quardrant of z_(1)z_(2) .

If z_(1) and z_(2) are conjugate to each other , find the principal argument of (-z_(1)z_(2)) .

If arg (z_(1)z_(2))=0 and |z_(1)|=|z_(2)|=1 , then

If arg(z-1)=arg(z+2i) , then find (x-1):y , where z=x+iy

For z= sqrt3-i , find the principal, value arg(z)

Let z_1, z_2,z_3 be complex numbers (not all real) such that |z_1|=|z_2|=|z_3|=1 and 2(z_1+z_2+z_3)-3z_1 z_2 z_3 is real. Then, Max (arg(z_1), arg(z_2), arg(z_3)) (Given that argument of z_1, z_2, z_3 is possitive ) has minimum value as (kpi)/6 where (k+2) is

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

If |z_(1)|=|z_(2)| and arg (z_(1))+"arg"(z_(2))=0 , then