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Mathematics
Mathematics
Problem
If
f
′
(
x
)
=
x
+
1
x
f'(x) = x + \frac{1}{x}
f
′
(
x
)
=
x
+
x
1
, then
f
(
x
)
f(x)
f
(
x
)
is a)
x
2
2
+
log
x
+
c
\frac{x^2}{2} + \log x + c
2
x
2
+
lo
g
x
+
c
c)
x
2
−
log
x
+
c
\frac{x}{2} - \log x + c
2
x
−
lo
g
x
+
c
b)
x
2
+
log
x
+
c
\frac{x}{2} + \log x + c
2
x
+
lo
g
x
+
c
d)
x
2
+
log
x
+
c
x^2 + \log x + c
x
2
+
lo
g
x
+
c
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