Mathematics · Vector Algebra
Let a, b, c be unit vectors. Suppose a · b = a · c = 0 and the angle between b and c is π/6. Then vector a is equal to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1±2(b × c)✓
- 2b + c
- 3c × b
- 4b × c
Correct answer
±2(b × c)
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