External Section Formula in 3D

Rarely Tested

External Section Formula in 3D

If $$p$$ divides $$AB$$ externally in ratio $$m:n$$:

$$P\left(\frac{mx_2-nx_1}{m-n},\frac{my_2-ny_1}{m-n},\frac{mz_2-nz_1}{m-n}\right)$$

Usage

- Used to find coordinates of an externally dividing point.

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