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math
1
Name:
Anonymous
2009-04-03 9:05
Hi math geniuses!
How do I calculate the following integral?
int((2/(x^2+x))dx)
thx
2
Name:
Anonymous
2009-04-03 11:47
i dunno lol
3
Name:
Anonymous
2009-04-03 14:02
2 dx (Log[x] - Log[1 + x])
4
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})
5
Name:
4tran
2009-04-04 6:21
http://en.wikipedia.org/wiki/Partial_fraction
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