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Jawaban:
c (0 -1 -4)
Penjelasan dengan langkah-langkah:
AB = B – A
a = (2 0 1) – (-3 1 2)
= (5 -1 -1)
AC = C – A
b = (2 -1 -3) – (-3 1 2)
= (5 -2 -5)
.
.
c = b – a
= (5 -2 -5) – (5 -1 -1)
= (0 -1 -4)