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Moore
Mathematics
10 December, 09:24
Log base 3 (1/9) = x
What is x?
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Raquel Gill
10 December, 09:32
0
Log base 3 (1/9) = x
rewriting the equation in exponential form, we get:
3 ^x = 1/9
now,
Guess and check.
x = - 1
3^-1 = 1/3
this doesn't work.
x = - 2
3^-2 = 1/3^2
= 1/9
this works.
so x = - 2
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