In a triangle ABC, if taken in order, consider the following statements :
1. AB̅ + BC̅ + CA̅ = 0̅
2. AB̅ + BC̅ – CA̅ = 0̅
3. AB̅ – BC̅ + CA̅ = 0̅
4. BĀ – BC̅ + CĀ = 0̅
How many of the above statements are correct ?
Mathematics
2018
NDA Mathematics 2018
NDA 2018
Options
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