*11." If "Z_(1)=-1" and "Z_(2)=-i," then find "Arg(Z_(1)*Z_(2))

If Z_(1)=-1,Z_(2)=-i then find Arg(Z_(1).Z_(2))

If z_(1)=-1,z_(2)=i then find Arg ((z_(1))/(z_(2)))

If z _(1) =- 1, z _(2) = i, then find Arg ((z _(1))/( z _(2))).

If z_(1)=1+isqrt3and z_(2)=sqrt3-i, show that arg(z_(1)z_(2))=argz_(1)+argz_(2)

Let z_(1) and z_(2) be two complex numbers such that bar(z)_(1)+bar(iz)_(2)=0 and arg(z_(1)z_(2))=pi then find arg(z_(1))

If z_(1)=(sqrt3-1)+(sqrt3+1)i and z_(2)=-sqrt3+i" ""find" " "arg z_(1) and argz_(2), hence, calculate arg(z_(1)z_(2)).

If |z_(1)|=|z_(2)| and arg (z_(1)//z_(2))=pi, then find z_(1)+z_(2) .

If z_(1)=1+i, z_(2)=sqrt(3)+i, then arg ((z_(1))/(z_(2)))^(50)=

Statement-1 : let z_(1) and z_(2) be two complex numbers such that arg (z_(1)) = pi/3 and arg(z_(2)) = pi/6 " then arg " (z_(1) z_(2)) = pi/2 and Statement -2 : arg(z_(1)z_(2)) = arg(z_(1)) + arg(z_(2)) + 2kpi, k in { 0,1,-1}

Statement-1 : let z_(1) and z_(2) be two complex numbers such that arg (z_(1)) = pi/3 and arg(z_(2)) = pi/6 " then arg " (z_(1) z_(2)) = pi/2 and Statement -2 : arg(z_(1)z_(2)) = arg(z_(1)) + arg(z_(2)) + 2kpi, k in { 0,1,-1}