\ For the vector A=2I+3J and B=I+J what is magnitude and direction of ( A-B).
A - B = i + 2 j
magnitude = d = sqrt (1+4) = sqrt 5
tan angle to x axis = 2/1 so angle = 63.4 deg
magnitude = d = sqrt (1+4) = sqrt 5
tan angle to x axis = 2/1 so angle = 63.4 deg