Mathematics · Vector Algebra
If a and b are unit vectors, which of the following statements is correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1a + b is a unit vector if the angle between a and b is 2π3✓
- 2a + b is a unit vector if a is perpendicular to b
- 3a + b is a unit vector if a is parallel to b
- 4a + b will never be a unit vector
Correct answer
a + b is a unit vector if the angle between a and b is 2π3
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