Question

Rewrite the logarithm log 3 21 in terms of the natural logarithm.

Answer 1

use the change of base formula. are you familiar with this?

Answer 2

not really

Answer 3

http://www.purplemath.com/modules/logrules5.htm

Answer 4

thnx

Answer 5

yw

Answer 6

let me know what answer you get

Answer 7

log23/log3, how do i change it to nat log? ln21/ln3?

Answer 8

I think you may have misread the change of base rule

log^3(21) = ln21/ln3

Answer 9

\[\log_{3}21=\frac{\log_{e}21}{\log_{e}3} \]

Answer 10

now I get it, thanks

Answer 11

yw

Answer 12

good, now try a few more. practice makes perfect.