帮忙算一下行吗?谢谢 (1)x^4-10x^2+9 (2)x^4-6x^2-27
x+2分之x+1+(x+7分之x+6)-x+3分之x+2-(x+6分之x+5)和几道题帮忙算一下
|X-1|+|X-2|+|X-3|+|X-4|+|X-5|+|X-6|+|X-7|+|X-8|+|X-9|+|X-10|
计算(x*x+4x+5)/(x+2)-(x*x+6x+10)/(x+3)+1
(1) x-3/x-2 - x-5/x-4=x-7/x-6 - x-9/x-8
(x^2-4x+4/x^2-4)/x-1/x+2. 谢谢
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),
5(x+1)(x^2-4)-(4x-1)(x^2+x+2)-(x+2)(x^2-1)=0.好心人帮忙解一下这个方程
帮忙算一下∫dx/[x+√(x^2-1)]
麻烦帮忙解一下2x+5《3(x+2)还有x-1/2
x*x+2x+x*x+10x+x*x+25+2x+x*x+1+1+16+x*x+4x*x+9-12x+16x*x+4-1
(x-4)(2x-1)=3(x-4)谢谢了,大神帮忙啊