10. Giai va bien luan phuong trinh an x(x-a)/(x-b)+(x-b)/(x-a)=2 b(x-a+1)/(x-a)+(x-b+1)/(x-b)=a/((x-a)(x-b)) 相关知识点: 试题来源: 解析 a)- Nếuthì- Nếuthìb)- Nếuthì- Nếuthì
Bai 5: Giai cac phuong trinh sau: (Bien doi dac biet)(x+1)/(35)+(x+3)/(33)=(x+5)/(31)+(x+7)/(29) 1994 1996 1998 2000 2002=(x-2002)/2+(x-2000)/4+(x-1998)/6+(x-1996)/8+(x-1994)/(10) (x-1991)/9+(x-1993)/7+(x-1995)/5+(x-1997)/3+(x-1999)/1 ...