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 Post subject: ln square rootPosted: Thu, 1 Mar 2012 22:32:42 UTC
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Joined: Thu, 1 Mar 2012 22:28:45 UTC
Posts: 2
I need to solve for x in this problem:

ln(3sqrtx)=sqrt(ln(x))

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 Post subject: Re: ln square rootPosted: Thu, 1 Mar 2012 23:31:29 UTC
 Member of the 'S.O.S. Math' Hall of Fame

Joined: Mon, 19 May 2003 19:55:19 UTC
Posts: 7952
Location: Lexington, MA
Hello, orange23!

Is there a typo? . . . I'm getting a complex answer.

Quote:

We have: .

. . . . . . .

Square both sides: .

n . . . . . . . . . . . a quadratic!

. . . . . . . . . . . . . . . .

But is negative . . . There are no real roots.

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 Post subject: Re: ln square rootPosted: Fri, 2 Mar 2012 00:14:52 UTC
 S.O.S. Newbie

Joined: Thu, 1 Mar 2012 22:28:45 UTC
Posts: 2
there is no typo... this sounds good to me, thanks for all your help, I couldn't have gotten anywhere close to this answer!

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