Michael L. answered • 02/19/16
Tutor
New to Wyzant
Intuitively explains the concepts in Math and Science
Hi Samo,
The magnitude of A and B are the dot product of the vector and itself.
A+B+C=0
A = -B - C
B = -A - C
|A| = A^{2} = A•A = B^{2} + C^{2} +2B•C ^{}
|B| = B^{2} = B•B = A^{2} + C^{2} +2A•C