Ano ang cross product ng [3, 0, 5] at [1,2,1]?

Ano ang cross product ng [3, 0, 5] at [1,2,1]?
Anonim

Sagot:

# ((3), (0), (5)) xx ((1), (2), (1)) = ((-10), (2), (6)) #, o #-10,2,6#

Paliwanag:

Maaari naming gamitin ang notasyon:

# ((3), (0), (5)) xx ((1), (2), (1)) = | (ul (hat (i)), ul (hat (j)), ul (hat (k)), (3,0,5), (1,2,1) | #

#:. ((3), (0), (5)) xx ((1), (2), (1)) = | (0,5), (2,1) | ul (hat (i)) - | (3,5), (1,1) | ul (hat (j)) + | (3,0), (1,2) | ul (hat (k)) #

#:. ((3), (0), (5)) xx ((1), (2), (1)) = (0-10) ul (hat (i)) - (3-5) ul (sumbrero (j)) + (6-0) ul (hat (k)) #

#:. ((3), (0), (5)) xx ((1), (2), (1)) = -10 ul (hat (i)) +2 ul (hat (j)) +6 ul (sumbrero (k)) #

#:. ((3), (0), (5)) xx ((1), (2), (1)) = ((-10), (2), (6)) #