p=> = (i, j, k)
a=> = (-5, 2, 4)
=> -5i + 2j + 4k
b=> = (3, 7, -1)
=> 3i + 7j -k
K = (4, 7, -2)
L = (1, 3, 5)
KL = L -K
KL = (1, 3, 5) -(4, 7, -2)
KL = ((1 -4), (3 -7), (5 -(-2)))
KL = (-3, -4, 7)
lanjutannya ada di gambar terlampir
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Soal pertama
p=> = (i, j, k)
a=> = (-5, 2, 4)
=> -5i + 2j + 4k
b=> = (3, 7, -1)
=> 3i + 7j -k
Soal kedua
K = (4, 7, -2)
L = (1, 3, 5)
KL = L -K
KL = (1, 3, 5) -(4, 7, -2)
KL = ((1 -4), (3 -7), (5 -(-2)))
KL = (-3, -4, 7)
lanjutannya ada di gambar terlampir