∫1/((x^2+1)(x^2+x))dx
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∫1/((x^2+1)(x^2+x))dx
∫1/((x^2+1)(x^2+x))dx
∫1/((x^2+1)(x^2+x))dx
原式=∫[1/x-(1/2)/(x+1)-(x/2)/(x²+1)-(1/2)/(x²+1)]dx
=ln│x│-(1/2)ln│x+1│-(1/4)ln(x²+1)-(1/2)arctanx+C (C是积分常数)
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填九宫格帮帮忙.x x 6 x x 7 x x 98 x x x 3 x 1 x x 9 x x 6 x 5 x 3 x x x 3 x x x x 1 8x x x 9 x 1 x x x2 1 x x x x 6 x x x 6 x 7 x 3 x x 1 x x 9 x 2 x x x 47 x x 8 x x 5 x x
不定积分(x^2+1/x^2)d(x)
七年级下册政治复习提纲(山东人民出版社)第五单元是 青春的脚步 青春的气息别弄错了啊!格式:X X X X X X X X X 1、X X X X X X X X X X.2、X X X X X X X X X.3、X X X X X X X X X X X.
分解因式----(X*X-X)(X*X-X-2)+1
】x(x+1)+x^2(x-1)
定积分f (x)=x^2-x∫(0到2)f(x)dx+2∫(0到1) f(x)d x,求f (x)
1/(1-x)+1/(1+x)+2/(1+x*x)+4/(1+x*x*x*x)+8/(1-x*x*x*x*x*x*x*x)怎么做
x-1/x-2
{2X+1}+{X}
(x^2-1)/x
x^2-1/x
2X+|X+1|
|x-1|+|x-2|
(x+1)/(x+2)
/X+1/+/X+2/
2x/(1-x)
|X+2|+|X-1|