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If complex number z = 4-6i , then | z-2 | = ?

Mathematics
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|dw:1350784902834:dw|
I don't understand?
|dw:1350784964700:dw|

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Other answers:

Why is it coordinates? I thought it meant absolute value?
|dw:1350785015499:dw|
the absolut value is the length of the vector
So it is just Square root of 36+16?
|dw:1350785068730:dw|
or 4 i mean
almost
the length of z is Square root of 36+16 but we want the length of z-2
yeah so how long is z-2?
(tha answer is an irrational number )
i am a bit lost \(z=4-6i\) so \(z-2=2-6i\) pythagoras gives the length
Okay I got cha! Thanks @UnkleRhaukus !
what answer did you arrive at?
Root 40
good work, can you simplify √40?
2 root 10?
good show
:) thx a lot
if you can remember the distance formula as the square root of the sums of the squares of the differences of the corresponding coordinates , thats great, otherwise just draw the picture

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