> 数学 >
因式分解:(a+b)^2(ab-1)+1
人气:250 ℃ 时间:2020-04-16 20:54:34
解答
(AB-1)(A+B)^2+1 =(AB-1)A^2+(AB-1)B^2+2AB(AB-1)+1 =(AB-1)A^2+(AB-1)B^2+2(AB)^2-2AB+1 =(AB-1)A^2+(AB-1)B^2+(AB)^2+(AB)^2-2AB+1 =(AB-1)A^2+(AB-1)B^2+(AB)^2+(AB^2-2AB+1) =(AB-1)A^2+(AB-1)B^2+(AB)^2+(AB-1)...
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版