- #1
advphys
- 17
- 0
Dear all,
Any idea for the proof of the Lagrange's identity using tensor notations and Levi Civita symbol?
(a x b).(c x d)=(a.c)(b.d) - (a.d)(b.c)
x: cross product
a,b,c,d: vectors
Thanks
Any idea for the proof of the Lagrange's identity using tensor notations and Levi Civita symbol?
(a x b).(c x d)=(a.c)(b.d) - (a.d)(b.c)
x: cross product
a,b,c,d: vectors
Thanks