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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 Δ ABC. The length of the median through A is

#### Options

`sqrt34/2`

`sqrt48/2`

`sqrt18`

of the median through A is

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#### Solution

`sqrt34/2`

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

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#### APPEARS IN

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