IB Mathematics Analysis and Approaches Quiz
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NUMBER AND ALGEBRA
Question 1
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Find the exact solution to the equation
3
2
x
=
5
x
−
1
3^{2x} = 5^{x-1}
3
2
x
=
5
x
−
1
.
A
ln
5
ln
5
−
2
ln
3
\frac{\ln 5}{\ln 5 - 2\ln 3}
l
n
5
−
2
l
n
3
l
n
5
B
ln
5
2
ln
3
−
ln
5
\frac{\ln 5}{2\ln 3 - \ln 5}
2
l
n
3
−
l
n
5
l
n
5
C
1
ln
5
−
2
ln
3
\frac{1}{\ln 5 - 2\ln 3}
l
n
5
−
2
l
n
3
1
D
1
2
ln
3
−
ln
5
\frac{1}{2\ln 3 - \ln 5}
2
l
n
3
−
l
n
5
1
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