1.

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 correct

A. 1 only
B. 2 only
C. Both 1 and 2
D. Neither 1 nor 2
Answer» D. Neither 1 nor 2


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