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Integrals
medium
0:00.0
Calculate
∫
0
1
(
3
x
2
+
1
)
d
x
\int_0^1 (3x^2 + 1) dx
∫
0
1
(
3
x
2
+
1
)
d
x
.
A
1
1
1
B
2
2
2
C
3
3
3
D
4
4
4
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