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Class 12 Three Dimensional Geometry · Conceptual Answer1 Marksdirection_cosines

Class 12 Maths · Three Dimensional Geometry · Conceptual Answer #32

Find direction cosines of the line through (1,3,5),(2,4,6).

✅ Step-by-Step Solution

Final Answer: ±(1,1,1)/√3.
  1. The displacement (1,1,1) has norm √3.
  2. ±(1,1,1)/√3.

📋 CBSE Stepwise Marking Scheme

  • [0.5 marks] The displacement (1,1,1) has norm √3.
  • [0.5 marks] ±(1,1,1)/√3.

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