Mathematics · Vector Algebra
The unit vector along the internal bisector of the angle between the vectors â = î + 2k̂ and b̂ = -ĵ - 2k̂ is:
- 11√2(î - ĵ)✓
- 2î - ĵ + 4k̂√5
- 31√5(î - ĵ)
- 4√52(î - ĵ)
Correct answer
1√2(î - ĵ)
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