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Solve for x: (e as in logs) a) 3e^x -5 = -2e^-x b) 2ln x - 3ln(1/x) =10

Mathematics
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|dw:1347804062395:dw| is this the ques ????
multiply by e^x and let it be k
for second one use ln(1/a) = - ln(a)

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Other answers:

\[3(e^{x})^2-5e^x=-2\] \[3k^2-5k+2=0\]
@Jonask , what? Can you rephrase? @chandhuru , yes, thats the question. :)
hmmm.. then
|dw:1347804343788:dw| take LCM you will get a quadratic eqn solve it
|dw:1347804503096:dw| solve this quadratic eqn...
how did you get this?
i should u steps ...see the steps listed above..
I am sorry, I didn't get it :/
which step u dont understand????
OKay, got it, can you tell me the second one?
use the formula ln(1/a) = - ln(a)
lemme try :)
got it ah????
No, can you please show the steps?
ok..
|dw:1347805590065:dw| now solve it...
got it ???
Oh! I got it!! Thank you! :D Soo much!
ok.. welcome..

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