Mark (√) against the correct answer in the following:
If and then
Given vectors and
Asking us to find, |x 2|
2=
x 2=
= [0-(-4 -3)] - [(1 6)-(2 -3)] + [(1 -4)-0]
=(-12)-(6+6)+(-4)
=-1212-4
|x 2|=
=
=4.