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Mathematics
Mathematics
Problem
The value of
∫
0
1
(
1
−
x
)
(
1
+
x
)
d
x
\int_{0}^{1} \frac{(1-x)}{(1+x)} dx
∫
0
1
(
1
+
x
)
(
1
−
x
)
d
x
is (1)
(
log
2
+
1
)
(\log 2 + 1)
(
lo
g
2
+
1
)
(2)
(
log
2
−
1
)
(\log 2 - 1)
(
lo
g
2
−
1
)
(3)
(
2
log
2
−
1
)
(2 \log 2 - 1)
(
2
lo
g
2
−
1
)
(4)
(
2
log
2
+
1
)
(2 \log 2 + 1)
(
2
lo
g
2
+
1
)
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