this question is trickier than i'm used too...a little help please?

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- Dec 17th 2009, 01:40 AMextraordinarymachinelaws of logarithms
this question is trickier than i'm used too...a little help please?

- Dec 17th 2009, 01:47 AMStroodle
Hi there.

so

and

So - Dec 17th 2009, 02:00 AMextraordinarymachine

http://www.mathhelpforum.com/math-he...91bd8763-1.gif

i don't understand this part, why did the 7 move to the front of the log? - Dec 17th 2009, 02:13 AMStroodle
Because it's in a separate bracket to the 49, it means that the logarithm is multiplied by 7. I just put it in front because that's how it is conventionally written (at least in my texts).

- Dec 17th 2009, 02:13 AMRaoh
- Dec 17th 2009, 02:28 AMStroodle