How do you find a=3b given b=<6,3> and c=<-4,8>?

1 Answer
Jan 11, 2017

a=((18),(9))

Explanation:

The components of b are both multiplied by the scalar 3

rArrbar(a)=color(red)(3)((6),(3))

=((color(red)(3)xx6),(color(red)(3)xx3))=((18),(9))