Question

in(1-3x)+3=9

Answer 1

(1-3x)+3=9

its like this ?

Answer 2

yes and you have to use that log thing natural log

Answer 3

oh ok..

\(ln(1-3x) + 3 = 9\)

like this right ?

Answer 4

yes :D correct can you explain how to do it as well

Answer 5

\(\ln(1-3x) + 3 = 9\)
\(\ln(1-3x) = 6\)

Answer 6

we must know below thing, to proceed further :
\(\huge \ln x = a \\ \huge=> x = e^a\)

Answer 7

you familiar with above formula ?

Answer 8

no

Answer 9

Ok.. can you pls tell what you know about logs ?

Answer 10

so that we can see how to go about the solution..
but there is only one way to solve this problem

using above mentioned formula :\

Answer 11

i was using a plug in formula for it but the answers i got didnt match and not much :/ i watched a few youtube tutorials on them but nothing helped me further my understanding towards this

Answer 12

Okay.

lets use the formula and move ahead. il explain the formula in the end ok

Answer 13

okay than thank you very much appreciate this

Answer 14

\(\ln(1-3x) = 6\)
\(1-3x = e^6\)
\(3x = 1-e^6\)
\(x = \frac{1-e^6}{3}\)

Answer 15

is that the answer or ur textbook converted it into numberical

Answer 16

i think it is converted

Answer 17

whats the answer ?

Answer 18

http://www.google.co.in/search?aq=f&sugexp=chrome,mod=13&sourceid=chrome&ie=UTF-8&q=(1-e%5E6)%2F3

is this ?

Answer 19

yes it was :)

Answer 20

but im a little lost on the last part can you explain it

Answer 21

great :)

Answer 22

ok

Answer 23

what point u stuck at

Answer 24

\(\ln(1-3x) = 6\)
\(1-3x = e^6\)

here ?

Answer 25

yes

Answer 26

sorry my computers actin slow i have 2 keep refreshing it

Answer 27

np :)

Answer 28

thank u for understanding and helping

Answer 29

\(\ln(1-3x) = 6\)

can also be written as :

\(\log_e(1-3x) = 6\)

now we apply the formula :
\(log_a x = c => x = a^c\)

Answer 30

mmhmm

Answer 31

i understand u... but im failing to explain eloquently lol

Answer 32

its fine i get it somewhat ill be back with another qustion though

Answer 33

Ok.. may be someone else can pitch in and help u understand

@phi

Answer 34

@mahmit2012