Question

Let vectors A=(1,0,-3) ,B=(-2,5,1) and C=(3,1,1), how do you calculate 3A-2C?

Answer 1

`<-3,-2,-11>`

Explanation:

Scalars are multiplied in.

`3A=<3,0,-9>`
`-2C=<-6,-2,-2>`

To add the vectors, simply add each component separately.

`3A+(-2C)=<3-6,0-2,-9-2>`
`=<-3,-2,-11>`