Mathematics · Vector Algebra
If the coordinates of the points are A(1, 2, −1), B(2, −1, 3), C(0, −1, 4), and D(2, 1, 5), then the vectors AB⃗ and CD⃗ are:
- 1equal in magnitude and direction
- 2collinear
- 3parallel to each other
- 4perpendicular to each other✓
Correct answer
perpendicular to each other
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