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vektor OB = (-3i + 4j)
maka resultan dari [OA - OB] adalah :
OA - OB
= (8i + 6j) - (-3i + 4j)
= (8i -(-3i) + (6j -4j)
= (11i + 2j)
Jadi, resultan dari [OA - OB] adalah (11i + 2j)
Jawaban D
Ok?