(ẸH -KA –2002) ( C ) Y = − + X3 3 MX2+ 3(1 − M X M2) + 3− M2A-KHAỶO SA...

Bài 14: (ẹH -KA –2002) ( C )

y = − + x

3

3 mx

2

+ 3(1 − m x m

2

) +

3

m

2

a-khaỷo saựt vaứ veừ ủoà thũ haứm soỏ ( C ) khi m =1.b- Tỡm k ủeồ pt :

− + x

3

3 x

2

+ k

3

= 0

Coự 3 nghieọm phaõn bieọt .