Asked by Adeniji

The position vector of A and B are 2 if J and -I+4J, find modulus |AB|

Answers

Answered by Adeniji
Help me out please
Answered by mathhelper
gibberish : "The position vector of A and B are 2 if J and -I+4J"



Answered by oobleck
|AB| = A-B
so do the math and then find |A-B| in the usual way.
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