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Problems
Mathematics
Mathematics
Problem
Solve
5
x
−
1
=
4
×
3
2
x
5^{x-1} = 4 \times 3^{2x}
5
x
−
1
=
4
×
3
2
x
, giving your answer in the form
ln
a
ln
b
\frac{\ln a}{\ln b}
l
n
b
l
n
a
where
a
a
a
and
b
b
b
are rational numbers.
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