[(b^4)/(-2ab+a^2+b^2)]*[(a^3+2b^2-2a^2-2a^2b)/(b^3)]/[(b^2-a^2)/(ab+b^2)]因式分解····

来源：学生作业帮助网编辑：作业帮时间：2024/05/09 13:14:52

[(b^4)/(-2ab+a^2+b^2)]*[(a^3+2b^2-2a^2-2a^2b)/(b^3)]/[(b^2-a^2)/(ab+b^2)]因式分解····
[(b^4)/(-2ab+a^2+b^2)]*[(a^3+2b^2-2a^2-2a^2b)/(b^3)]/[(b^2-a^2)/(ab+b^2)]因式分解····

[(b^4)/(-2ab+a^2+b^2)]*[(a^3+2b^2-2a^2-2a^2b)/(b^3)]/[(b^2-a^2)/(ab+b^2)]因式分解····
[(b^4)/(-2ab+a^2+b^2)]*[(a^3+2b^2-2a^2-2a^2b)/(b^3)]/[(b^2-a^2)/(ab+b^2)]因式分解····
[(b^4)/(-2ab+a^2+b^2)]*[(a^3+2b^2-2a^2-2a^2b)/(b^3)]/[(b^2-a^2)/(ab+b^2)]
=[b^4/(b-a)^2]*[(a^3+2b^2-2a^2-2a^2b)/b^3]/[(b-a)(b+a)/b/(a+b)]
=[b^4/b^3]*[(a^3+2b^2-2a^2-2a^2b)/(b-a)^2]*[b/(b-a)]
=b^2/(b-a)^3*(a^3+2b^2-2a^2-2a^2b)

（AB）^ 2 +（A + B）^ 2-2A ^ 2
= A ^ 2 + B ^ 2-2AB + A ^ 2 + B ^ 2 +2 AB-2A ^ 2
= A ^ 2 + A ^ 2-2A ^ 2 + B ^ 2 + B ^ 2-2AB +2 AB
= 2B ^ 2（简化）
= 2 *（-1 / 3） ^ 2
= 2 * 1/9
= 2/9

4ab/b^2(a-b)= 2a²b(a-b)+ab(a-b)²+4ab²(a-b) a+b/2ab 2AB/A+B a+b/2ab a-b/a^2+ab / ab-a^2/a^2b^2-b^4快 a^2b-ab+2ab^2-5a^b-4ab+3ab^2化简快 (a^2b-4b)/(ab-2b)= (a-b)平方-2ab(b-a) (a-b)^3+2ab(a-b) b/(a^2-ab)+c/(b^2-ab)+(a+b^2)/(a^2b-ab^2) 计算：[(a+b)^2-4ab][(a-b)^2+4ab]-(a^2-b^2)^2 1/4a^2b^2{3ab(a+b)-5a(ab-b^2)}=? a>0,b>0,2a+b+ab=4,ab,2a+b最值 (a-b)(a^5+a^4b+a^3b^2+ab^4+b^5)bggg a^2b(a-b)-6ab(b-a), a^2b(a-b)-7ab(b-a)因式分解 4a^2b-a^2b-4ab^2