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Mathematics
Mathematics
Problem
Calculate
∫
ln
(
3
x
)
d
x
\displaystyle\int \ln(3x) \, dx
∫
ln
(
3
x
)
d
x
. a)
x
ln
x
−
x
+
C
x\ln x - x + C
x
ln
x
−
x
+
C
b)
x
ln
(
3
x
)
−
x
+
C
x\ln(3x) - x + C
x
ln
(
3
x
)
−
x
+
C
c)
ln
2
(
3
x
)
2
+
C
\dfrac{\ln^{2}(3x)}{2} + C
2
ln
2
(
3
x
)
+
C
d)
x
ln
(
3
x
)
+
C
x\ln(3x) + C
x
ln
(
3
x
)
+
C
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