NumericalModerate2 marks
Find a point P which divides internally the line segment joining the points A (–3, 9) and B (1, –3) in the ratio 1 : 3.
Topic: Section / midpoint / centroid
Previous-year question practice database
Answer
Exam answer
P = (−2, 6)
Explanation
For AP:PB = 1:3, section formula gives ((1×1+3×−3)/4, (1×−3+3×9)/4) = (−2,6).
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