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5
Easy Log
Easy Log
Source:
December 1, 2005
logarithms
symmetry
Problem Statement
Determine the value of
a
b
ab
ab
if
log
8
a
+
log
4
b
2
=
5
\log_8 a + \log_4 b^2 = 5
lo
g
8
a
+
lo
g
4
b
2
=
5
and
log
8
b
+
log
4
a
2
=
7
\log_8 b + \log_4 a^2 = 7
lo
g
8
b
+
lo
g
4
a
2
=
7
.
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