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单词 external division
释义

external division

(of a segment) Let AB be a line segment. Then the point E is the external division of AB in the ratio 1: k if inline where inline is the vector from A to B.

If A and B have position vectors a and b, from some origin, then the position vector of E is

sometimes referred to as the section formula. Compare internal division.

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更新时间:2025/5/21 1:16:47