Consider the following inequalities in respect of vectors \({\rm{\vec a}}\:and\;{\rm{\vec b}}\):
1. \(\left| {{\rm{\vec a}} + {\rm{\vec b}}} \right| \le \left| {{\rm{\vec a}}} \right| + \left| {{\rm{\vec b}}} \right|\)
2. \(\left| {{\rm{\vec a}} - {\rm{\vec b}}} \right| \ge \left| {{\rm{\vec a}}} \right| - \left| {{\rm{\vec b}}} \right|\)
Which of the above is/are correct1
1 only
2
2 only
3
Both 1 and 2
4
Neither 1 nor 2