defence exam ITBP (Telecommunication) Head Constable Mock Test 2024 Mathematics Vector Algebra Magnitude and Directions of a Vector
If \(\rm \vec a\) = 2î + ĵ + k̂ and \(\rm \vec b\) = î + 2ĵ + k̂, then the magnitude of their resultant is:
1
2√5
2
2√6
3
√22
4
None of these.