Class 12 Vector Algebra · Conceptual Answer1 Marksunit_vectors
Class 12 Maths · Vector Algebra · Conceptual Answer #96
Find a unit vector parallel to the sum of (4,−1,1) and (2,−2,1).
✅ Step-by-Step Solution
Final Answer: ±(6,−3,2)/7
- The sum is (6,−3,2), with norm √49=7. Normalize it; either sign is parallel.
- ±(6,−3,2)/7
📋 CBSE Stepwise Marking Scheme
- [0.5 marks] The sum is (6,−3,2), with norm √49=7. Normalize it; either sign is parallel.
- [0.5 marks] ±(6,−3,2)/7
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