# The sum of A and B is 5i+j and their difference is 3i-j what is vector A?

##### 2 Answers

#### Explanation:

vector

vector

hence, we have

vector

substituting the

The sum of A and B is 5i+j

#bbA + bbB = 5 bbi + bb j qquad square#

"and their difference is 3i-j"

#bbA - bbB = 3 bbi - bb j qquad triangle#

what is vector A?