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Integrals
easy
0:00.0
Evaluate
∫
0
3
(
2
x
+
1
)
d
x
\int_0^3 (2x + 1)\,dx
∫
0
3
(
2
x
+
1
)
d
x
.
A
12
12
12
B
10
10
10
C
9
9
9
D
15
15
15
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