CBSE Class 12 Mathematics 2026 Main Paper 65/2/2 · Q81 Marksdirection_cosines
CBSE Class 12 Mathematics 2026 Main Paper 65/2/2 · Question 8 (Three Dimensional Geometry)
Find the listed direction cosines of x=y=1−z.
✅ Step-by-Step Solution
Final Answer: (1,1,−1)/√3
- Take x=y=t and z=1−t. The direction vector (1,1,−1) has norm √3, so divide its components by √3.
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