JEE Advance - Mathematics (2011 - Paper 1 Offline - No. 1)
If z is any complex number satisfying $$\,\left| {z - 3 - 2i} \right| \le 2$$, then the minimum value of $$\left| {2z - 6 + 5i} \right|$$ is
答え
5
説明
Length $$AB = {5 \over 2} \Rightarrow $$ Minimum value = 5.
