Posted by **Scott** on Sunday, December 2, 2007 at 10:38pm.

Please explain how it is (ln 4)

¡Ò^8 2 x^-1 dx= (ln 8) ¨C (ln 2)

=(ln 4)

- math calculus -
**Michael**, Sunday, December 2, 2007 at 10:46pm
It's not possible to see the problem because the symbols are incomprehensible. Please retype the equation so that we can help you.

- math calculus -
**Reiny**, Sunday, December 2, 2007 at 11:03pm
one of the most basic log rules is

Log(A/B) = LogA - LogB, as long as the base of the log is the same

since 8/2 = 4 it fits the pattern

you might also try to verify it on your calculator.

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