Mathematics · Vector Algebra
If a = i + 4j + 2k and b = 3i − 2j + 2k, and c is a vector perpendicular to both a and b such that c · d = 2 (where d = i + 2j + 2k), then vector c is equal to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1i + j + 14k
- 232i − j − 14k✓
- 32i + j + k
- 432i + j + k
Correct answer
32i − j − 14k
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