Question

The non zero vector 'a' and 'b' are not parallel. Given that:

(2x-2)a-yb=4a+2b

Find the value of x and y.

Answer 1

by following uniqueness of vectors we can get 2x-2=4
x=3
and
y=-2

Answer 2

by following of victores we can get 2×2=4 x=3 and y=2