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March 29, 2015

March 29, 2015

Posted by **Alli** on Saturday, January 31, 2009 at 9:08am.

I understand the rules I just dont understand how they apply

1. e^(3lnx)

2. e^(1+2lnx)

thanks!

- trig -
**Reiny**, Saturday, January 31, 2009 at 9:48amthe first is a direct result of the "rule" that I showed you in your post from last night. Did you look at it?

http://www.jiskha.com/display.cgi?id=1233373241

for the second....

e^(1+2lnx)

= (e^1)(e^2lnx) , to multiply powers with the same base, we add the exponents

= (e^1)(e^lnx^2)

= e(x^2)

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