# 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

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

#### Solution

sqrt(34)/2

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