Question:medium

If the vectors \(\vec a=2\hat i+3\hat j-\hat k\) and \(\vec b=\hat i-2\hat j+4\hat k\), then \(\vec a\cdot\vec b\) is:

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For perpendicular vectors: \[ \vec a\cdot\vec b=0 \] Always multiply corresponding components carefully.
Updated On: May 16, 2026
  • \(-8\)
  • \(-4\)
  • \(6\)
  • \(10\)
Show Solution

The Correct Option is B

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