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Mathematics 16 Online
OpenStudy (anonymous):

express as a sum of logarithms. ln ab

OpenStudy (mathstudent55):

log ab = log a + log b

OpenStudy (mathstudent55):

That's a general rule of logarithms

OpenStudy (anonymous):

okay what should i do next

OpenStudy (anonymous):

\(ln\) is just the natural log, so the answer is pretty much right there for you.

OpenStudy (anonymous):

so ln ab = lnab

OpenStudy (anonymous):

If I asked you to express the number 8 as a sum, you could say 3 + 5. That would be it. Given what @mathstudent55 wrote, how can you express \(\ln (ab)\) as a sum of logarithms?

OpenStudy (mathstudent55):

the general log rule applies to any base

OpenStudy (anonymous):

ln(ab) would be lnab right

OpenStudy (anonymous):

can someone help anyone

OpenStudy (anonymous):

Go back up and read the first thing mathstudent55 said.

OpenStudy (anonymous):

okay i think i have it ln ab = ab

OpenStudy (mathstudent55):

ln (ab) = ln a + ln b

OpenStudy (anonymous):

oh okay so im is there any other step that needs to be done

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