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Mathematics 12 Online
OpenStudy (itiaax):

Complex numbers help. *Question attached below* Will give medal and fan

OpenStudy (itiaax):

So I have already found the first part of this question, which is 1+2i but I am stuck at the second part. I know the diagram needs to show a circle centered at (1,2i), with a radius of √5, but how do I find the greatest value of |z| subject to this condition?

OpenStudy (phi):

|dw:1411225443338:dw|

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