Answer: (mx₂ + nx₁)/(m + n).
- A (x₁ + x₂)/2
- B (mx₂ + nx₁)/(m + n)
- C (mx₂ − nx₁)/(m − n)
- D (mx₁ + nx₂)/(m + n)
Correct answer: B. (mx₂ + nx₁)/(m + n)
Explanation: For internal division the far point is weighted by m and the near point by n, over the total m + n.
Concept context
Coordinate axes and planes in space, octants, distance between two points, and the section formula
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