Mathematics · Vectors
If a, b, c are three vectors such that a + b + c = 0 and |a| = 3, |b| = 5, |c| = 7, then the angle between a and b is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 175°
- 260°✓
- 390°
- 445°
Correct answer
60°
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