Mathematics · Vector Algebra
If a, b, and c are unit vectors, θ is the angle between a and c, and a + 2b + 2c = 0, then |a × c| is equal to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1√153
- 2√15
- 3√154✓
- 4√152
Correct answer
√154
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