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上\%4:15 5月30日国 .
45
%
π
45 \% \pi
45%
π
SampleFinalExam2_COMP 在Chrome 中打开 完成 1. Find the m...
May 29, 2024
Solution by Steps
step 1
We need to find the most general antiderivative of the function
π
x
−
sin
(
3
x
)
+
1
cos
2
(
3
x
)
+
(
1
−
2
x
)
4
\pi x - \sin(3x) + \frac{1}{\cos^2(3x)} + (1-2x)^4
π
x
−
sin
(
3
x
)
+
c
o
s
2
(
3
x
)
1
+
(
1
−
2
x
)
4
step 2
The integral of
π
x
\pi x
π
x
is
π
x
2
2
\frac{\pi x^2}{2}
2
π
x
2
step 3
The integral of
−
sin
(
3
x
)
-\sin(3x)
−
sin
(
3
x
)
is
1
3
cos
(
3
x
)
\frac{1}{3} \cos(3x)
3
1
cos
(
3
x
)
step 4
The integral of
1
cos
2
(
3
x
)
\frac{1}{\cos^2(3x)}
c
o
s
2
(
3
x
)
1
is
1
3
tan
(
3
x
)
\frac{1}{3} \tan(3x)
3
1
tan
(
3
x
)
step 5
The integral of
(
1
−
2
x
)
4
(1-2x)^4
(
1
−
2
x
)
4
is
(
1
−
2
x
)
5
−
10
\frac{(1-2x)^5}{-10}
−
10
(
1
−
2
x
)
5
step 6
Combining all these results, we get the most general antiderivative:
step 7
π
x
2
2
+
1
3
cos
(
3
x
)
+
1
3
tan
(
3
x
)
−
(
1
−
2
x
)
5
10
+
C
\frac{\pi x^2}{2} + \frac{1}{3} \cos(3x) + \frac{1}{3} \tan(3x) - \frac{(1-2x)^5}{10} + C
2
π
x
2
+
3
1
cos
(
3
x
)
+
3
1
tan
(
3
x
)
−
10
(
1
−
2
x
)
5
+
C
, where
C
C
C
is the constant of integration
Answer
π
x
2
2
+
1
3
cos
(
3
x
)
+
1
3
tan
(
3
x
)
−
(
1
−
2
x
)
5
10
+
C
\frac{\pi x^2}{2} + \frac{1}{3} \cos(3x) + \frac{1}{3} \tan(3x) - \frac{(1-2x)^5}{10} + C
2
π
x
2
+
3
1
cos
(
3
x
)
+
3
1
tan
(
3
x
)
−
10
(
1
−
2
x
)
5
+
C
Key Concept
Antiderivative Calculation
Explanation
The antiderivative of a function is found by integrating each term separately and then combining the results, including the constant of integration.
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