phan tich da thuc thanh nhan tu

M

meomiutiunghiu

Nè
a^2b - ab^2 +b^2c -bc^2 +ac^2 -a^2c
= a^2(b - c) - a(b^2 -c^2) +bc(b-c)
= (b-c) (a^2 -ab -ac + bc )
= (b-c) (a -c ) (a-b) :):):)
 
You must log in or register to reply here.
Top Bottom