Answer
$x = e$
Work Step by Step
$$\ln (\ln (x)) = 0$$ $$\log_{e}(\ln x) = 0$$ $$e^0 = \ln x$$ $$1 = \ln x$$ $$1 = \log_{e}x$$ $$e^1 = x$$ $$x = e$$
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 4 - Exponential and Logarithmic Functions - Exercise Set 4.4 - Page 493: 148
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