Question

simplify ln9-ln4ln3. i have ln9-ln81 so far

Answer 1

use \(\huge ln A-lnB=ln(A/B)\)

Answer 2

\[\ln 9 - \ln 81 = \ln{9 \over 81}\]

Answer 3

@hartnn won. :P

Answer 4

i wasn't in a race

Answer 5

nice one cheers guys!!

Answer 6

that can still be simplified, know how ?

Answer 7

yeh think so

Answer 8

Cool.

Answer 9

so tell us what u get finally, so that we can verify it for u.

Answer 10

i get 0.1 is that right?

Answer 11

9/81 = ?

Answer 12

and no, thats incorrect

Answer 13

yeh i got 9/81 which is 1/9 then 0.1

Answer 14

ok, don't convert it in decimal, secondly, u forgot to write ln
now u know how to simplify ln(1/9) ?

Answer 15

1/9 = \(9^{-1}\)

Answer 16

ok thank you

Answer 17

so finally u get
-ln9 = -ln 3^2 = -2ln3

Answer 18

yeh got it now thanks for help much appreciated

Answer 19

welcome ^_^