Question

How do you find the component form of `v=-u+w` given `u=2i-j, w=i+2j`?

Answer 1

`v=-i+3j`

Explanation:

`v=-u+w`
Insert give values for u and w
`=-(2i-j)+(i+2j)`
`=-2i+j+i+2j`
Collect like terms, then we have
`v=-i+3j`