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math

Name: Anonymous 2009-04-03 9:05

Hi math geniuses!
How do I calculate the following integral?

int((2/(x^2+x))dx)

thx

Name: Anonymous 2009-04-03 11:47

i dunno lol

Name: Anonymous 2009-04-03 14:02

2 dx (Log[x] - Log[1 + x])

Name: Anonymous 2009-04-03 15:15

\int \frac{2}{X^{2}+x}\,\text{d}x=2\int \frac{1}{x(x+1)}\, \text{d}x
2\int \frac{1}{x}\cdot \frac{1}{x+1}\, \text{d}x=2(\ln{x}-\ln{x+1})

Name: 4tran 2009-04-04 6:21


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