anonymous
  • anonymous
Let x = ln(root4(13)) Then x = A ln(B) where B is an integer what is a and b?
Mathematics
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
use ln(a^b) = b ln(a)
anonymous
  • anonymous
ok do i need to take out of the 4root?
anonymous
  • anonymous
\[\sqrt{x} = x^{1/2}\]

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More answers

anonymous
  • anonymous
yes you need to have an expression that look like Aln(B)
anonymous
  • anonymous
but since its to the 4 root would it be 13^1/4?
anonymous
  • anonymous
yep that's it
anonymous
  • anonymous
so a =1/4 b= 13
anonymous
  • anonymous
yes
anonymous
  • anonymous
to the 1/3?
anonymous
  • anonymous
nevermind
anonymous
  • anonymous
thanx again
anonymous
  • anonymous
you're welcome. what do you mean by to the 1/3 ?
anonymous
  • anonymous
i meant 1/4ln13^1/3
anonymous
  • anonymous
i subtracted 1 from 1/4
anonymous
  • anonymous
1/4-1
anonymous
  • anonymous
1/4*ln 13^1/3 = 1/4 *1/3 * ln 13 = (1/12) *ln 13
anonymous
  • anonymous
(not very sure i m answering you're question ^^)

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