Class 12 Vector Algebra · Mcq Single Correct1 Marksscalar_projection
Class 12 Maths · Vector Algebra · Mcq Single Correct #14
Find the scalar projection of (1,−2,1) onto (4,−4,7).
✅ Step-by-Step Solution
Final Answer: Option (B): 19/9
- The dot product is 4 + 8 + 7 = 19; the projection denominator is √(16+16+49) = 9.
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