diketahui: A = 2i + j - 3k B = 4i + j + 2k C = -2i - 3j - k D = i - 2j E = j - 3k soal: 1) (A+B) x (C+D) = ? 2) (2A) x (B-C-D) = ? mohon pakai cara ya
Fisika
clarafw
Pertanyaan
diketahui:
A = 2i + j - 3k
B = 4i + j + 2k
C = -2i - 3j - k
D = i - 2j
E = j - 3k
soal:
1) (A+B) x (C+D) = ?
2) (2A) x (B-C-D) = ?
mohon pakai cara ya
A = 2i + j - 3k
B = 4i + j + 2k
C = -2i - 3j - k
D = i - 2j
E = j - 3k
soal:
1) (A+B) x (C+D) = ?
2) (2A) x (B-C-D) = ?
mohon pakai cara ya
