#how to solve this logarithmic equation ?

33 messages · Page 1 of 1 (latest)

craggy lagoonBOT
atomic zodiac
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Maybe use ln() on both sides and then evaluate the linear equation..

sharp zodiac
atomic zodiac
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Notice:

$\ln(x^a) = aln(x)$

queen latchBOT
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adonhs

atomic zodiac
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Well if you use ln() on both sides you get:

$\ln(2^{x-1}) = ln(3^{2x-1})$

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adonhs

atomic zodiac
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was this helpful?

sharp zodiac
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after that we add (e) to both side to cancel the ln?

atomic zodiac
sharp zodiac
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so what is the next step to solve this

atomic zodiac
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Well how far are you? Did you end up with some linear equation?

sharp zodiac
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gimme 1 min i will show u

atomic zodiac
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ln(3) became suddenly 3 how come?

sharp zodiac
atomic zodiac
queen latchBOT
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adonhs

sharp zodiac
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Ohh

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Then how

atomic zodiac
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well ln(2) and ln(3) are just normal numbers right?

sharp zodiac
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Right

atomic zodiac
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the same way you mulitplied with 2 and 3 do the same with ln(2) and ln(3)

sharp zodiac
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Then i distribute the numbers?

atomic zodiac
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yea

sharp zodiac
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Okaaaaayyy

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It was that simple omg

atomic zodiac
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yeah because you end up with a linear equation

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the solution may look complicated because ohhhh there is ln but that's ok

sharp zodiac
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Thank your very much for your time i really appreciate it