Jawaban:
Soal 1: (Sukron Kasiron)
= (4i+2j-k) x (3i-2j+k)
= (12.0)-(8k)+(-4j)+(-4j)+(-6k)+(4.0)+(2i)-(3j)+(-2i)-(0)
Medan Elektromagnetik POLINEMA
= -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
