[(2m+n) (2m-n)]^2

来源:学生作业帮助网 编辑:六六作业网 时间:2024/05/06 18:54:01
[(2m+n)(2m-n)]^2[(2m+n)(2m-n)]^2[(2m+n)(2m-n)]^2[(2m+n)(2m-n)]^2=(4m²-n²)²=(4m²)

[(2m+n) (2m-n)]^2
[(2m+n) (2m-n)]^2

[(2m+n) (2m-n)]^2
[(2m+n) (2m-n)]^2
= (4m² - n ²)²
= (4m ²)² - 8m²n² + (n²)²
= 16m 四次方 - 8m²n² + n 四次方

[(2m+n) (2m-n)]^2
=(4m^2-n^2)^2
=16m^4-8m^2n^2+n^4