[" O If "|z_(1)-1|<=1|z_(2)-2|<=2|z_(3)-3|<=3" ,the greatest value of "|z_(1)+z_(2)+z_(3)|" is "],[[" (a) "6," (b) "12," (c) "17]]

Minimum value of |z_(1)+1|+|z_(2)+1|+|z_(1)z_(2)+1| if |z_(1)|=1,|z_(2)|=1 is

If |z_(1)|!=1,|(z_(1)-z_(2))/(1-bar(z)_(1)z_(2))|=1, then

If z_(1) = 2 - i , z_(2) = 1 + i , " find " |(z_(1) + z_(2) + 1)/( z_(1) -z_(2) + 1)|

Let z_(1) and z_(2) be two given complex numbers such that z_(1)/z_(2) + z_(2)/z_(1)=1 and |z_(1)| =3 , " then " |z_(1)-z_(2)|^(2) is equal to

Let z_(1) and z_(2) be two given complex numbers such that z_(1)/z_(2) + z_(2)/z_(1)=1 and |z_(1)| =3 , " then " |z_(1)-z_(2)|^(2) is equal to

Let A(z_(1)) and B(z_(2)) be such that angleAOB=theta('O') being the origin). If we define z_(1) xx z_(2) = |z_(1)||z_(2)|sintheta , then z_(1) xx z_(2) is also equal to

Let A(z_(1)) and B(z_(2)) be such that angleAOB=theta('O') being the origin). If we define z_(1) xx z_(2) = |z_(1)||z_(2)|sintheta , then z_(1) xx z_(2) is also equal to

If |z_(1)|=|z_(2)|=...............=|z_(n)|=1 then |(1)/(z_(1))+(1)/(z_(2))+.........+(1)/(z_(n))|

If |z_(1)|=|z_(2)|=......=|z_(n)|=1, prove that |z_(1)+z_(2)+z_(3)++z_(n)|=(1)/(z_(1))+(1)/(z_(2))+(1)/(z_(3))++(1)/(z_(n))

If |z_(1)|=|z_(2)|=....|z_(n)|=1 , then show that, |z_(1)+z_(2)+z_(3)+....z_(n)|= |(1)/(z_(1))+(1)/(z_(2))+(1)/(z_(3))+...+(1)/(z_(n))|