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Mathematics
Problem
The value of
∫
d
(
x
2
+
1
)
x
2
+
2
\int \frac{d(x^2+1)}{\sqrt{x^2+2}}
∫
x
2
+
2
d
(
x
2
+
1
)
, is a.
2
x
2
+
2
+
C
2\sqrt{x^2+2}+C
2
x
2
+
2
+
C
b.
x
2
+
2
+
C
\sqrt{x^2+2}+C
x
2
+
2
+
C
c.
x
x
2
+
2
+
C
x\sqrt{x^2+2}+C
x
x
2
+
2
+
C
d. None of these
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