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Mathematics
Mathematics
Problem
Evaluate
∫
4
x
cos
(
2
x
2
+
3
)
d
x
\displaystyle\int 4x\cos(2x^{2}+3)\,dx
∫
4
x
cos
(
2
x
2
+
3
)
d
x
. a)
−
sin
(
2
x
2
+
3
)
+
C
-\sin(2x^{2}+3)+C
−
sin
(
2
x
2
+
3
)
+
C
b)
1
2
sin
(
2
x
2
+
3
)
+
C
\dfrac{1}{2}\sin(2x^{2}+3)+C
2
1
sin
(
2
x
2
+
3
)
+
C
c)
sin
(
2
x
2
+
3
)
+
C
\sin(2x^{2}+3)+C
sin
(
2
x
2
+
3
)
+
C
d)
−
cos
(
2
x
2
+
3
)
+
C
-\cos(2x^{2}+3)+C
−
cos
(
2
x
2
+
3
)
+
C
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