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Engineering
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5. | Which is true for two vector A = A1i + A2j + A3k and B = B1i + B2j + B3k? | |
A. | A.B = A1B1 + A2B2 + A3B3 | |
B. | AxB = A1B1 + A2B2 + A3B3 | |
C. | A.B = A1B2 + A2B3 + A3B1 | |
D. | AxB = A1B2 + A2B3 + A3B1 | |