defence exam ITBP (Telecommunication) Head Constable Mock Test 2024 Mathematics Vector Algebra Magnitude and Directions of a Vector
If A = \(\rm 5 \hat i-2\hat j +4\hat k\) and B = \(\rm \hat i+3\hat j -7\hat k\) , then what is the value of \(\rm |\vec{AB}|\)?
1
6√2
2
7√2
3
8√2
4
9√2