Mathematics · Vector Algebra
The unit vectors perpendicular to both vectors a = î + 2ĵ - k̂ and b = 3î - ĵ + 2k̂ are:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 18î + 4ĵ + 8k̂
- 2± 17(3î + 5ĵ + √15 k̂)
- 3± 1√83(3î - 5ĵ - 7k̂)✓
- 4± (3î - 5ĵ - 7k̂)
Correct answer
± 1√83(3î - 5ĵ - 7k̂)
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