HOẶC A(–1;–4 2 ), B(1;0), C(–3;0) ⇒ G( 1− ; 4 23 = +1X T = − +2...

3

) hoặc A(–1;–4 2 ), B(1;0), C(–3;0)

G( 1

;

4 2

3

= +

1

x

t

 = − +

2 4

y

t

 = −