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Math Drills
Integration
Integration by substitution
Practice 1
Integration
Integration by substitution
1 / 5
Standard
Find the indefinite integral (omit the constant).
∫
x
(
x
2
+
1
)
3
d
x
\int x\left(x^{2} + 1\right)^{3}\,dx
∫
x
(
x
2
+
1
)
3
d
x
1
(
x
2
+
1
)
4
4
\frac{\left(x^{2} + 1\right)^{4}}{4}
4
(
x
2
+
1
)
4
2
(
x
2
+
1
)
4
8
\frac{\left(x^{2} + 1\right)^{4}}{8}
8
(
x
2
+
1
)
4
3
(
x
2
+
1
)
4
2
\frac{\left(x^{2} + 1\right)^{4}}{2}
2
(
x
2
+
1
)
4
4
(
x
2
+
1
)
4
16
\frac{\left(x^{2} + 1\right)^{4}}{16}
16
(
x
2
+
1
)
4
Answer
