Class 12 Vector Algebra · Mcq Single Correct1 Marksunit_vectors
Class 12 Maths · Vector Algebra · Mcq Single Correct #89
Find all real p such that p(1,1,1) is a unit vector.
✅ Step-by-Step Solution
Final Answer: Option (B): ±1/√3
- The norm is √3|p|=1; therefore p=±1/√3.
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