Mathematics · Vector Algebra
The unit vector along vector PQ, where the coordinates of P and Q are (2, 1, -1) and (4, 4, -7) respectively, is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12î7 + 3ĵ7 - 6k̂7✓
- 2-2î7 - 3ĵ7 + 6k̂7
- 3-2î - 3ĵ + 6k̂
- 42î + 3ĵ - 6k̂
Correct answer
2î7 + 3ĵ7 - 6k̂7
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