【(a-b)4次方+3(b-a)³+2(b-a)²】/【½(a-b)】²
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/01 23:15:03
![【(a-b)4次方+3(b-a)³+2(b-a)²】/【½(a-b)】²](/uploads/image/z/1625527-55-7.jpg?t=%E3%80%90%EF%BC%88a-b%294%E6%AC%A1%E6%96%B9%2B3%EF%BC%88b-a%EF%BC%89%26%23179%3B%2B2%EF%BC%88b-a%EF%BC%89%26%23178%3B%E3%80%91%2F%E3%80%90%26%23189%3B%EF%BC%88a-b%EF%BC%89%E3%80%91%26%23178%3B)
【(a-b)4次方+3(b-a)³+2(b-a)²】/【½(a-b)】²
【(a-b)4次方+3(b-a)³+2(b-a)²】/【½(a-b)】²
【(a-b)4次方+3(b-a)³+2(b-a)²】/【½(a-b)】²
[(a-b)4次方+3(b-a)³+2(b-a)²]/[½(a-b)]²
=(b-a)²[(b-a)²+3(b-a)+2]/[½(a-b)]²
=[(b-a)²+3(b-a)+2]/(1/4)
=4[(b-a)²+3(b-a)+2]
=4(b-a+1)(b-a+2)