求(1-x)/(9-4x^2)^(1/2）的不定积分请诸位数学高手出手相助

求一个数独答案X X X 9 X X X 8 2 X 6 3 X X 1 4 X 99 X 8 X X X X X XX X X 6 7 X 3 X XX 4 6 X 5 X 2 9 XX X 7 X 2 3 X X XX X X X X X 7 X 17 X 4 3 X X 6 2 X6 3 X X X 7 X X X 已知x=2π+1求 |x-1|+|x-2|+|x-3|+|x-4|+|x-5|+|x-6|+|x-7|+|x-8|+|x-9|+|x-10| 已知x=2π+1.求(X-1)+(X-2)+(X-3)+(X-4)+(X-5)+(X-6)+(X-7)+(X-8)+(X-9)+(X-10) x(x+1)+(x+2)+(x+3)+(x+4)+(x+5) = 27求x 求dx/[(x-1)(x^2+4x+9)]不定积分? |x^2-4x+3|+|x+1|>8 求x (x-2)(x-4)-(x-1)(x-5)求过程 1X?+2X?+3X?+4X?+5X?+6X?+7X?+8X?+9X?+10X?=1980求?是多少 一个“整式的乘法”的问题请先阅读下列解题过程,再仿做下面的问题.已知X*X + X - 1=0,求X*X*X + 2*X*X + 3的值.解X*X*X + 2X*X +3=X*X*X +X*X -X +X*X +X +3=X{X*X +X -1} +X*X +X -1 +4=0+0+4=4+ x + X*X + X*X*X=0.+ X*X + X*X*X f(x)=1/(x+1)(x+2)+1/(x+2)(x+3)+1/(x+3)(x+4)+.1/(x+9)(x+10) 求f(8) 求（x^5+x^2-x)/(x^4-2x-1)的极限x趋于无穷 已知x^-x-1=0,求x^4+x^3-x^2-4x+3 求|x-1|+|x-2|+|x-3|+|x-4|+|x-5|+...+|x-2007|的最小值 /x-1/+/x-2/+/x-3/x-4/+/x-5/ +/x-6/求最小值 求x^2-3x/x^2-6x+9*x^2-11x+30/x^2-5x-1 已知x=1/x,求x^2-6x+9/x-3/x+3/x^2+6x+9 已知x/x^2-3x+1=1,求x^2/x^4-9x^2+1 已知x/(x^2+x-1)=1/9,求x^2/(x^4+x^2+1)的值