If the maximum value of `|3z +9 - 7i`| if `|z+2-i|=5` is 5K, then find k

If the maximum value of |3z+9-7i| if |z+2-i|=5 is 5K, then find k

If |z+2-i|=5 and maxium value of |3z +9-7i| is M, then the value of M is ______.

If z is any complex number satisfying |z-3-2i|le 2 , then the maximum value of |2z - 6 + 5 i| is ___

Let z_(1), z_(2) are complex numbers and |z_(1)|=2 and (1-i)z_(2)+(1+i) z_(2)= K sqrt(2),K>0 such that the minimum value of |z_(1)-z_(2)| equals 2 then the value of |K| equals

The minimum value of k for which |z-i|^2 + |z-1|^2 =k will represent a circle is ____________.

If |z-i|<=2 and z_(0)=5+3i, the maximum value of |iz+z_(0)| is

If z_(1) = 6 + 9i and z_(2) = 5 + 2i then find z_(1)/z_(2)

For a complex number Z, if |Z-i|le2 and Z_(1)=5+3i , then the maximum value of |iZ+Z_(1)| is (where, i^(2)=-1 )

Let x,y,z in C satisfy |X| = 1,|y-6-8i| = 3 and |z + 1-7i| = 5 respectively, then the minimum value of |x-z| + |y-z| is equal to

The least value of |z-3-4i|^(2)+|z+2-7i|^(2)+|z-5+2i|^(2) occurs when z=