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Class 12 Three Dimensional Geometry · Conceptual Answer1 Marksdirection_cosines

Class 12 Maths · Three Dimensional Geometry · Conceptual Answer #66

Find direction ratios of a line parallel to (2x−1)/2=(4−y)/7=(z+1)/2.

✅ Step-by-Step Solution

Final Answer: (1,−7,2).
  1. Writing the common parameter t gives x=1/2+t,y=4−7t,z=−1+2t.
  2. (1,−7,2).

📋 CBSE Stepwise Marking Scheme

  • [0.5 marks] Writing the common parameter t gives x=1/2+t,y=4−7t,z=−1+2t.
  • [0.5 marks] (1,−7,2).

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