Which of the following equals the a x b ( a and b are two vectors)?
|A.||– (a x 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.|
Login to Continue
It will take less than 2 minutes