Mathematics · Three Dimensional Geometry
The direction cosines of the line joining the points (1, 3, -4) and (3, 2, -8) are:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(2√21, 1√21, 4√21)
- 2(2, -1, -4)
- 3(2√29, 3√29, 4√29)
- 4(2√21, -1√21, -4√21)✓
Correct answer
(2√21, -1√21, -4√21)
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