Dik A= i+j+2k B=3i+j+k C=3i+2j+k dit nilai (a×b).c=
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Dik A= i+j+2k B=3i+j+k C=3i+2j+k dit nilai (a×b).c=
1 Jawaban
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1. Jawaban pafiliacindy1
= ((1i + ij + 2k)(3i + j + 1k))(3i + 2j + 1k)
=(3i + j + 2k)(3i + 2j + k)
= (9i + 2j + 2k)