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11.17.1  Find a point dividing a segment in the harminic ratio k: division_point

The division_point command takes as argument two points a and b and a complex number k.

division_point returns and draws z where (za)/(zb) = k.
Input:

division_point(i,2+i,3+i)

Output:

Input:

affix(division_point(i,2+i,3))

Output:

3+i

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