把下列各式画成(a-b)ⁿ的形式:⑴15(a-b)³[-6(a-b)^(q+5)](b-a)²÷45(b-a)^5⑵(a-b)(b-a)⁴(b-a)^(p+q+1)÷(a-b)³
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/23 15:07:51
![把下列各式画成(a-b)ⁿ的形式:⑴15(a-b)³[-6(a-b)^(q+5)](b-a)²÷45(b-a)^5⑵(a-b)(b-a)⁴(b-a)^(p+q+1)÷(a-b)³](/uploads/image/z/9486615-39-5.jpg?t=%E6%8A%8A%E4%B8%8B%E5%88%97%E5%90%84%E5%BC%8F%E7%94%BB%E6%88%90%EF%BC%88a-b%29%26%238319%3B%E7%9A%84%E5%BD%A2%E5%BC%8F%EF%BC%9A%E2%91%B415%EF%BC%88a-b%29%26%23179%3B%5B-6%EF%BC%88a-b%29%5E%EF%BC%88q%2B5%29%5D%EF%BC%88b-a%29%26%23178%3B%C3%B745%EF%BC%88b-a%29%5E5%E2%91%B5%EF%BC%88a-b%29%28b-a%29%26%238308%3B%EF%BC%88b-a%29%5E%EF%BC%88p%2Bq%2B1%EF%BC%89%C3%B7%EF%BC%88a-b%29%26%23179%3B)
把下列各式画成(a-b)ⁿ的形式:⑴15(a-b)³[-6(a-b)^(q+5)](b-a)²÷45(b-a)^5⑵(a-b)(b-a)⁴(b-a)^(p+q+1)÷(a-b)³
把下列各式画成(a-b)ⁿ的形式:
⑴15(a-b)³[-6(a-b)^(q+5)](b-a)²÷45(b-a)^5
⑵(a-b)(b-a)⁴(b-a)^(p+q+1)÷(a-b)³
把下列各式画成(a-b)ⁿ的形式:⑴15(a-b)³[-6(a-b)^(q+5)](b-a)²÷45(b-a)^5⑵(a-b)(b-a)⁴(b-a)^(p+q+1)÷(a-b)³
⑴15(a-b)³[-6(a-b)^(q+5)](b-a)²÷45(b-a)^5
=-2(a-b)^(8+q)÷(b-a)^5=-2(a-b)^(13+q)
⑵(a-b)(b-a)⁴(b-a)^(p+q+1)÷(a-b)³
=(a-b)^(1-4-p-q-1-3)=(a-b)^(-7-p-q)
(1)=2(a-b)^(3+q+5+2-5)=2(a-b)^(5+q)
(2)若p+q+1为偶数,原式=(a-b)^(1+4+p+q+1-3)=(a-b)^(p+q+3)
若p=q+1为奇数,原式=-(a-b)^(1+4+p+q+1-3)=-(a-b)^(p+q+3)