Mathematics · Vectors
Let a = i + 2j + k, b = i - j + k and c = i + j - k. A vector in the plane of a and b whose projection on c is 1/√3 is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 14i + j - 4k
- 22i + j - 2k
- 33i + j - 3k
- 44i - j + 4k✓
Correct answer
4i - j + 4k
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