Apakah produk silang [9,4, -1] dan [4,3,6]?

Apakah produk silang [9,4, -1] dan [4,3,6]?
Anonim

Jawapan:

#A X B = 27hati-58hatj + 11hatj #

Penjelasan:

# A = <9,4, -1> "" B = <4,3,6> #

#A X B = hati (4 * 6 + 3 * 1) -hatj (9 * 6 + 4 * 1) + hatk (9 * 3-4 * 4)

#A X B = 27hati-58hatj + 11hatk #