Question
For bold lower v equals negative 4 bold lower I minus 5 bold lower j, find unit vector u in the direction of v, and write your answer as a linear combination of the standard unit vectors i and j.
(1 point)
Responses
bold lower u equals negative start fraction 4 start root 41 end root over 41 end fraction bold lower I minus start fraction 5 start root 41 end root over 41 end fraction bold lower j
Image with alt text: bold lower u equals negative start fraction 4 start root 41 end root over 41 end fraction bold lower I minus start fraction 5 start root 41 end root over 41 end fraction bold lower j
bold lower u equals negative start fraction 4 start root 9 end root over 9 end fraction bold lower I minus start fraction 5 start root 9 end root over 9 end fraction bold lower j
Image with alt text: bold lower u equals negative start fraction 4 start root 9 end root over 9 end fraction bold lower I minus start fraction 5 start root 9 end root over 9 end fraction bold lower j
bold lower u equals negative start fraction 4 over 41 end fraction bold lower I minus start fraction 5 over 41 end fraction bold lower j
Image with alt text: bold lower u equals negative start fraction 4 over 41 end fraction bold lower I minus start fraction 5 over 41 end fraction bold lower j
bold lower u equals negative start fraction 4 over 9 end fraction bold lower I minus start fraction 5 over 9 end fraction bold lower j