C
connhikhuc


Cho (C) [TEX]y= x^3+6mx^2+9x+2m[/TEX].
a) Tim m de ham co hai cuc tri sao cho khoang cach tu goc toa do den pt duong thang qua hai cuc tri la [TEX]\frac{4}{\sqrt[]{5}}[/TEX]
*) moi nguoi thong cam , khong hieu sao lai khong go duoc dau, ai biet chi voi
:khi (15):
a) Tim m de ham co hai cuc tri sao cho khoang cach tu goc toa do den pt duong thang qua hai cuc tri la [TEX]\frac{4}{\sqrt[]{5}}[/TEX]
*) moi nguoi thong cam , khong hieu sao lai khong go duoc dau, ai biet chi voi
:khi (15):