Question

please answer this question ​

Answer 1

A=i-2j

B=2i+3j

C=i+j

=>A+B= (i+2i)+(-2j+3j)

A+B=3i+j

component along x axis is coefficient of i

=> component along x axis is 3.

=> component of A+B along C=(A+B).C/|C| =4/√2