Multiple Choice
If A = 2i + 3j, and B = 2j + 3k, then A · B is equal to
A) 4 + 6 + 6 + 9 = +25.
B) 4 - 6 + 6 + 9 = +13.
C) 0 + 0 + 6 + 0 = +6.
D) 0 + 0 - 6 + 0 = -6.
Correct Answer:
Verified
Correct Answer:
Verified
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