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Vector Algebra
Oswaal
CBSE
Grade 12

Question:

Show that points $A(1, -2, -8), B(5, 0, -2), C(11, 3, 7)$ are collinear, and find ratio in which B divides AC.

Step-by-Step Solution

Key Concept: AB = 4i + 2j + 6k, BC = 6i + 3j + 9k => BC = (3/2) AB => collinear. Ratio 2:3.
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Correct Answer:
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