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Please refer to the attached image (sorry for the bad cropping, they were on separate pages)
I don't get what is meant by "two finite points''. Are these any two points which aren't equal to infinity?
Could i have chosen f(1) and f(2) ? what am i not understanding.
IF someone could explain this, that would be wonderful.
I also don't quite understand the reason of what they say afterwards, Why should the line have to be in either the left or right half plane? Is it because the interior of C must be onetoone, and for that to occur, C must be a disk excluding the point zero?
Following from this, it's inverse will be a line which is either in the negative plane, or either in the positive?
Thanks!
I don't get what is meant by "two finite points''. Are these any two points which aren't equal to infinity?
Could i have chosen f(1) and f(2) ? what am i not understanding.
IF someone could explain this, that would be wonderful.
I also don't quite understand the reason of what they say afterwards, Why should the line have to be in either the left or right half plane? Is it because the interior of C must be onetoone, and for that to occur, C must be a disk excluding the point zero?
Following from this, it's inverse will be a line which is either in the negative plane, or either in the positive?
Thanks!
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