(1/x+3)+(6/x^2-9)-(x-1/6-2x)

来源：学生作业帮编辑：大师作文网作业帮分类：数学作业时间：2024/11/10 21:31:51

(1/x+3)+(6/x^2-9)-(x-1/6-2x)
化简

1*(X-3) 6 X-1
------------ + ------------- + ----------
(X+3)(X-3) (X+3)(X-3) 2(X-3)
2 X-1
= ------ + -------
2(X-3) 2(X-3)
X+1
= -----
2X-6
用电脑做这痛苦啊!打字太麻烦,省了几个步骤,不过应该还看得懂的.
条件不允许,不然我做在纸上,再拍照发给你,哈哈

|X-1|+|X-2|+|X-3|+|X-4|+|X-5|+|X-6|+|X-7|+|X-8|+|X-9|+|X-10| (x+2/x^2-x-6)-(2x/x^2-3x)-(x+1/x^2-6x+9) x+2/x^2-x-6 + 2x/x^3-3x - x+1/x^2-6x+9 y=(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)(x-9)(x-10)的导数在x=1 设函数f(x)=(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)(x-9)(x-10), 求化简：（x^2+3x+9)/(x^2-27)+(6x)/(9x-x^2)-(x-1)/(6+2x) 化简(x^2+3x+9)/(x^3-27)+(6x)/(9x-x^2)-(x-1)/(6+2x) x²+3x+9/(x²-27)+6x/(9x-x²)-(x-1)/(6+2x) 化简~(x²+3x+9/x²-27)+(6x/9x-x²)-(x-1/6+2x) 求x^2-3x/x^2-6x+9*x^2-11x+30/x^2-5x-1 (x^21+x^15+x^12+x^9+x^6+x^3+1)/(x^2+x+1) （1） x-3/x-2 - x-5/x-4=x-7/x-6 - x-9/x-8