Question

Given vectors A=2i+2j and B=2i-2j .What value does the vector A-B make with positive x axis

Answer 1

Explanation:

when a is equals to 2 into 1 + 2 into a and b is equals to 2 into Y + 2 into a then the vector a b is equals to 2 i + 2 - 2 Y - 2 J that is equals to 4 j