Jawaban 1731130080 Agung Nugroho

Jawaban:
Soal 1: (Sukron Kasiron)

= (4i+2j-k) x (3i-2j+k)
= (12.0)-(8k)+(-4j)+(-4j)+(-6k)+(4.0)+(2i)-(3j)+(-2i)-(0)
= -7j+(-14k)

(AxB).C
= (-7j+(-14k)).-i-2j-3k
= 0-14j+0+0+0+42k
= -14j+42k

Soal 2: (Twendy Deswantoro)
= 17i+3j+5i-(-9j)
= 22i + 12j

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