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Math help.
    #7910169 -

How do I figure out:

e^2x - e^x =6

How do I solve for x?

I'm stumped.


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Re: Math help. [Re: Rekkuzo]
    #7910177 -

:boxerface:


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http://dictionary.reference.com/


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Re: Math help. [Re: Rekkuzo]
    #7910183 -

Rekkuzo said:
How do I figure out:

e^2x - e^x =6

How do I solve for x?

I'm stumped.


e^2x = (e^x)^2
let z=e^x

z^2-z=6
Solve for z using standard quadratic methods.

Then: x=ln z


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Re: Math help. [Re: Sell Your Soul]
    #7910186 -

natural log is your friend


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Re: Math help. [Re: Oracle Of Delphi]
    #7910191 -

wtf does ^ stand for?


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blankk said to fee:
btw you're a total fucking psychedelic pimp
Turtletotem said:
I want to become a sun worshipper, so next time an atheist smugly asks me where god is, I can point smugly at the sun and laugh my ass off.

Then I drive away in my solar powered piece of shit car, cool stuff man.

And then I go kill a bitch because the flaming orb in the sky told me to do so, and I don't know, oppress a few minorities here and there in the name of nuclear fusion?

Religion is fun.

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Re: Math help. [Re: fee]
    #7910196 -

^ means to the power of ..

Example: 5^3 = 5*5*5
and 6^4 = 6*6*6*6

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Re: Math help. [Re: Sell Your Soul]
    #7910207 -

Yay, thank you.

I got ln(3)


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Edited by Rekkuzo (01/21/08 06:06 PM)

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Re: Math help. [Re: Rekkuzo]
    #7910221 -

e^2x - e^x = 6.

log both sides:

ln(2x) - ln(x) = 6

using the laws of logs:
ln(2x/x) = 6

and as andyistic said:

ln(x) = 6
x = e^6.


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"I only ever hope to reach equilibrium, in Nature's matrix, in line with the meridian" ~ Jehst

:sun: "...and I know that I have to keep breathing, as tomorrow the sun will rise, who knows what the tide will bring?" :sun:

Free Spore Ring Europe
Send any spare spore prints you might have and help the distribution :grin:

Open Source. Freedom.  GNU/Linux

Addicting is not a word.

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Re: Math help. [Re: Rekkuzo]
    #7910224 -

doesnt it mean to look at the post above, as in referencing it?


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http://dictionary.reference.com/


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Re: Math help. [Re: Cepheus]
    #7910236 -

Um, that's not what I said.
Please check above, thanks.

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Re: Math help. [Re: Sell Your Soul]
    #7910294 -

Thanks for the help. I achieved the correct answer of ln(3).

Is that the simplest way to do it?

>_< I really hate math sometimes. Just when I get the hang of integrating and shit they throw in stuff that requires the quadratic equation, which I barely remember.


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Re: Math help. [Re: Rekkuzo]
    #7910304 -

Depends on how you define "simple".
It is very straight-forward and prone to few errors.
It sure beats punching random numbers into a calculator until something pops up that fits the equation. :lol:

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Re: Math help. [Re: Sell Your Soul]
    #7910377 -

I must be missing something here 0.o


--------------------
"I only ever hope to reach equilibrium, in Nature's matrix, in line with the meridian" ~ Jehst

:sun: "...and I know that I have to keep breathing, as tomorrow the sun will rise, who knows what the tide will bring?" :sun:

Free Spore Ring Europe
Send any spare spore prints you might have and help the distribution :grin:

Open Source. Freedom.  GNU/Linux

Addicting is not a word.

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Re: Math help. [Re: Rekkuzo]
    #7910383 -

Rekkuzo said:
How do I figure out:

e^2x - e^x =6

How do I solve for x?

I'm stumped.


take it, add a crumple, and throw it the fuck out the window.

god i hate math.  :crankey:


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Re: Math help. [Re: LeftyBurnz]
    #7910390 -

You should see some of the equations that I see when I'm tripping balls. :lol:

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Re: Math help. [Re: Sell Your Soul]
    #7910421 -

andyistic said:
Rekkuzo said:
How do I figure out:

e^2x - e^x =6

How do I solve for x?

I'm stumped.


e^2x = (e^x)^2
let z=e^x

z^2-z=6
Solve for z using standard quadratic methods.

Then: x=ln z


how in the fuck....... did you actually do that or did you just type a bunch of shit?? lol


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Re: Math help. [Re: Sell Your Soul]
    #7910429 -

andyistic said:
You should see some of the equations that I see when I'm tripping balls. :lol:


really? i see patterns and pictures. :smirk:


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Re: Math help. [Re: LeftyBurnz]
    #7910436 -

I didn't forget everything from my days in school.
The few brain cells that still work happen to be the ones that handle technical details. :shrug:

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Re: Math help. [Re: Sell Your Soul]
    #7910483 -

where the fuck did you learn that? college? i never saw anything like that in HS. then again i was a tard at math.


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Re: Math help. [Re: LeftyBurnz]
    #7910489 -

Yes, college.
They would never teach that to high school kids,
especially the ones these days who only listen to rap.
I don't know a single rap song that has lyrics which refer to logarithms. :lol:

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