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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)

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c = b – a

= (5 -2 -5) – (5 -1 -1)

= (0 -1 -4)