Find the center and radius of the circle `2zbarz+(3-i)z+(3+i)z-7=0," where " i=sqrt(-1). `

Find the centre and radius of circle 2absz^2+(3-i)z +(3+i)barz-7=0

The radius of the circle |(z-i)/(z+i)|=3 , is

The radius of the circle |(z-i)/(z+i)|=3 , is

The center of the circle . zbarz+(1+i)z +(1+i)barz-7=0 are respectively.

Find the radius and centre of the circle z bar(z)- (2 + 3i) z-(2-3i) bar(z)+ 9=0 where z is a complex variable

Find the radius and centre of the circle z bar(z) + (1-i) z + (1+ i) bar(z)- 7 = 0

Radius of the circle |(z-1)/(z-3i)|=sqrt(2)

Find the radius and centre of the circle z bar(z) - (2 + 3i)z - (2 - 3i)bar(z) + 9 = 0 where z is a complex number

If 8iz^(3)+12z^(2)-18z+27i=0, (where i=sqrt(-1)) then