Maharashtra State BoardHSC Arts 12th Board Exam
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Select the correct option from the given alternatives: The 2 vectors jkj^+k^ and ijk3i^-j^+4k^ represents the two sides AB and AC respectively of a Δ ABC. The length of the median through A is - Mathematics and Statistics

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MCQ

Select the correct option from the given alternatives:

The 2 vectors `hat"j" + hat"k"` and `3hat"i" - hat"j" + 4hat"k"` represents the two sides AB and AC respectively of a ΔABC. The length of the median through A is

Options

  • `sqrt(34)/2`

  • `sqrt(48)/2`

  • `sqrt(18)`

  • `sqrt34`

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Solution

`sqrt(34)/2`

Concept: Position Vector of a Point P(X, Y, Z) in Space
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