If #hata_1+hata_2+hata_3=0# then the value of #|hata_1-hata_2|^2+|hata_2-hata_3|^2+|hata_3-hata_1|^2# is?
options are
- 6
- 9
- 4
- 8
options are
- 6
- 9
- 4
- 8
1 Answer
Jun 22, 2018
9
Explanation:
Since the vectors are all of unit length, we have
Now