SOLUTION: how do you write the expression as a single logarithum:
1/2[log(base4)(x+1) + 2log(base4)(x-1)] +6log(base4)(x)
Algebra.Com
Question 174002: how do you write the expression as a single logarithum:
1/2[log(base4)(x+1) + 2log(base4)(x-1)] +6log(base4)(x)
Answer by gonzo(654) (Show Source): You can put this solution on YOUR website!
your equation is:
1/2[log(base4)(x+1) + 2log(base4)(x-1)] +6log(base4)(x)
this looks to me like:
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you have a couple of concepts to work with:
these are:
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we will remove the inner parentheses first and work outwards.
you have:
this becomes:
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working our way outwards, you have:
this becomes:
working our way outwards again, you have:
this becomes:
we now have in total:
so we have:
and this becomes:
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i checked the answer and it appears to be good.
i did this by solving both equations for a given value of x.
i used x = 2.
i got the same answer both ways (the original equation and the condensed equation).
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you can solve this as well if you wish to prove the answer is good.
you can use your calculator by converting to base 10 as follows:
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