[" If "z_(1),z_(2),z_(3)" are vertices of a triangle such that "|z_(1)],[-z_(2)|=|z_(1)-z_(3)|" then argument of "((2z_(1)-z_(2)-z_(3))/(z_(3)-z_(2)))]

If z_(1), z_(2) and z_(3) are the vertices of a triangle in the argand plane such that |z_(1)-z_(2)|=|z_(1)-z_(3)| , then |arg((2z_(1)-z_(2)-z_(3))/(z_(3)-z_(2)))| is

If z_(1), z_(2) and z_(3) are the vertices of a triangle in the argand plane such that |z_(1)-z_(2)|=|z_(1)-z_(3)| , then |arg((2z_(1)-z_(2)-z_(3))/(z_(3)-z_(2)))| is

If z_1,z_2,z_3 are vertices of a triangle such that |z_1-z_2|=|z_1-z_3| then arg ((2z_1-z_2-z_3)/(z_3-z_2)) is :

If z_1,z_2,z_3 are vertices of a triangle such that |z_1-z_2|=|z_1-z_3| then arg ((2z_1-z_2-z_3)/(z_3-z_2)) is :

If z_1,z_2,z_3 are vertices of a triangle such that |z_1-z_2|=|z_1-z_3| then arg ((2z_1-z_2-z_3)/(z_3-z_2)) is :

If z_(1),z_(2),z_(3) represent the vertices of an equilateral triangle such that |z_(1)|=|z_(2)|=|z_(3)| , then

z_(1),z_(2) and z_(3) are the vertices of a triangle ABC such that |z_(1)|=|z_(2)|=|z_(3)| and AB=AC. Then ((z_(1)+z_(3))(z_(1)+z_(2)))/((z_(2)+z_(3))^(2)) is

If z_(1),z_(2),z_(3) are the vertices of triangle such that |z_(1)-i|=|z_(2)-i|=|z_(3)-i| and z_(1)+z_(2)=3i-z_(3) then area of triangle is

If z_(1),z_(2),z_(3) are the vertices of an equilational triangle ABC such that |z_(1)-i|=|z_(2)- i| = |z_(3)-i|, then |z_(1)+z_(2)+z_(3)| equals to