Jawab:
= 4i + 29j + 12
Penjelasan dengan langkah-langkah:
= 2(2i+4j) - 3(-10-5j) + 6(-3+j)
= (4i + 8j) - (-30-15j) + (-18+6j)
= 4i + 8j + 30 + 15j - 18 + 6j
= 4i + 8j + 15j + 6j + 30 -18
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Jawab:
= 4i + 29j + 12
Penjelasan dengan langkah-langkah:
= 2(2i+4j) - 3(-10-5j) + 6(-3+j)
= (4i + 8j) - (-30-15j) + (-18+6j)
= 4i + 8j + 30 + 15j - 18 + 6j
= 4i + 8j + 15j + 6j + 30 -18
= 4i + 29j + 12