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Q. |
Which of the following equals the a x b ( a and b are two vectors)? |
A. | – (a x b) |
B. | a.b |
C. | b x a |
D. | – (b x a) |
Answer» D. – (b x a) | |
Explanation: the vector product a x b is equal to – (b x a). the minus sign shows that these vectors have opposite directions. |
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