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Verified answer
Diket :Dua vektor
A = 3i - 2j + 3k
B = i + 3j - 2k
Tanya :
A • B = __?
Jawab :
A • B = (3.1) + (- 2. 3) + (3. -2)
A • B = (3) + (- 6) + (- 6)
A • B = - 9
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FZA