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cat706
21.05.2020 •
Mathematics
What is the solution to 2logg(x) = logg8+log,(x-2)?
x=-4
x=-2
X=4
X= 8
Solved
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Ответ:
x = 4
which agrees with the third listed answer among the given options
Step-by-step explanation:
We can re-write the logarithmic equation using the properties of logarithms:
Therefore, the arguments of the log functions must also be equal (and we can solve for "x" by noticing that this expression is the perfect square of a binomial:
and for this equation to verify, x must be 4
Ответ:
The value of x is 4.
Step-by-step explanation:
You have to use Logarithm Laws :
So for this question :
Next you have to cut out the log :
Then, you have to make the equation equals 0 :
Lastly, you have to solve it :
Ответ:
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