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If the vectors vec(AB)=3hati+4hatk and v...

If the vectors `vec(AB)=3hati+4hatk and vec(AC)=5hati-2hatj+4hatk` are the sides of a triangle ABC, then the length of the median through A is (A) `sqrt(33)` (B) `sqrt(45)` (C) `sqrt(18)` (D) `sqrt(720`

A

`sqrt18`

B

`sqrt72`

C

`sqrt33`

D

`sqrt45`

Text Solution

Verified by Experts

The correct Answer is:
C
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