If z be a complex number, then
`|z-3-4i|^(2)+|z+4+2i|^(2)=k` represents a circle, if k is equal to

If z be any complex number (z!=0) then arg((z-i)/(z+i))=pi/2 represents the curve

If z be any complex number (z!=0) then arg((z-i)/(z+i))=(pi)/(2) represents the curve

Suppose that z is a complex number the satisfies |z-2-2i|<=1. The maximum value of |2iz+4| is equal to

Suppose that z is a complex number the satisfies |z-2-2i|lt=1. The maximum value of |2z-4i| is equal to _______.

Suppose that z is a complex number the satisfies |z-2-2i|lt=1. The maximum value of |2z-4i| is equal to _______.

Suppose that z is a complex number the satisfies |z-2-2i|lt=1. The maximum value of |2i z+4| is equal to _______.

Prove that |z-z_1|^2+|z-z_2|^2 = k will represent a circle if |z_1-z_2|^2 le 2k.

If z be a complex number satisfying z^4+z^3+2z^2+z+1=0 then absz is equal to

Match the following : {:("Column-I","Column -II"),(" (A) " |z-6i| + |z-8|=k " will represent an ellipse for k equals to " , "(p) 2"),("(B)" ||z-12i+3|-|z-2||=k " will represent hyperbola if k equals to " , "(q) 8"),("(C)" |z=ki| + |z-4|=sqrt(10k) " will represent line segment if k equals to " , " (r) 12 "),("(D)" (z-k+2ki)/(|z-2+4i|)=k " will represent circle if k equals to " , "(s) 11"),(, "(t) 10"):}