Mathematics · Vector Algebra
Which of the following is NOT a necessary or valid condition for three non-zero vectors A, B, and C to be coplanar?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The determinant of their components equals zero
- 2n1A + n2B + n3C = 0 (where at least one scalar ni ≠ 0)
- 3A × (B × C) = 0✓
- 4A · (B × C) = 0
Correct answer
A × (B × C) = 0
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