In this video (Improper Integral with an Infinite Discontinuity in the interval), at 2:48, I don't understand how he gets -ln(2) because I would of gotten -ln|e^(-1) - 1|.

Any input would be greatly appreciated!

Thanks in advance!

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- March 14th 2010, 09:12 PMs3aA little algebraic thing I don't get in this math video
In this video (Improper Integral with an Infinite Discontinuity in the interval), at 2:48, I don't understand how he gets -ln(2) because I would of gotten -ln|e^(-1) - 1|.

Any input would be greatly appreciated!

Thanks in advance! - March 14th 2010, 09:45 PMsa-ri-ga-ma
- March 14th 2010, 09:46 PMs3a
Is he also correct though?

- March 14th 2010, 09:51 PMsa-ri-ga-ma