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Taller Calculo Integral Parte 2 
1. 
1 − 
1 
2 
3(6) 
[푓(0) + 4(0,08) + 2푓(0,16) + 4푓(0,24) + 2푓(0.32) + 4푓(0,4) + 푓(0,48)] 
1 − 
1 
2 
3(6) 
[( 
2 
1 + (0)4) + 4 ( 
2 
1 + (0,08)4) + 2 ( 
2 
1 + (0,16)4) + 4 ( 
2 
1 + (0,24)4) + 2 ( 
2 
1 + (0,32)4) 
+ 4 ( 
2 
1 + (0,4)4) + ( 
2 
1 + (0,48)4)] 
1 
2 
18 
[2 + 4 ( 
2 
1,0256 
) + 2 ( 
2 
1,0066 
) + 4 ( 
2 
1,0033 
2 
1,010 
) + 2 ( 
) + 4 ( 
2 
1,0256 
) + ( 
2 
1,0530 
)] 
1 
36 
[2 + 4(1,9500) + 2(1,9868) + 4(1,9934) + (1,9801) + 4(1,9500 + (18993)] 
1 
36 
[2 + 7,8 + 3,9 + 7,9 + 3,9 + 7,8 + 1,8993] = [35,1993] = 0,972 
B) 
푇(푓, ℎ) = 
ℎ 
2 
[푓(푎) + 푓(푏)] 
훿푥 
2 
[푓(푥0 + 2푓(푥1) + 2푓(푥2)… 푓(푥푛−1) + 푓(푥푛)] 
1 
24 
푓(푥0) = 
2 
1 + 0 
= 2 
푓(푥1) = 
2 
1 + 0,08 
= 1,9500 
푓(푥2) = 
2 
1 + 0,16 
= 1,9969 
푓(푥3) = 
2 
1 + 0,24 
= 1,9934
푓(0,32) = 
2 
1 + 0,34 
= 1,9801 
푓(0,4) = 
2 
1 + 0,4 
= 1,9501 
푓(0,48) = 
2 
1 + 0,48 
= 1,8993 
0,08 
2 
[2 + 2(1,9500) + 2(1,9868) + 2(1,9934) + 2(1,9801) + 2(1,9501) + 1,8993] 
[2 + 3,9 + 3,97 + 3,98 + 3,96 + 3,9 + 1,89] 
1 
24 
[23,6]푢2 
0,9833 
2.
ퟒ − 풙ퟐ = ퟎ 
풙ퟐ = ퟒ 
풙 = ±√ퟒ 
풙 = ±ퟐ 
ퟐퟐ − 풙ퟐ = ퟎ 
(풙 + ퟐ)(풙 − ퟐ) = ퟎ 
풙 + ퟐ = ퟎ ⋀풙 − ퟐ = ퟎ 
풙 = −ퟐ ⋀풙 = ퟐ 
ퟐ 
∫ ퟒ − 풙ퟐ풅풙 
ퟎ 
= 
ퟐ 
ퟒ ∫ 풅풙 
ퟎ 
ퟐ 
− ∫ 풙ퟐ풅풙 
ퟎ 
= 
ퟒ풙 − 
풙ퟑ 
ퟑ 
|ퟎퟐ 
= 
ퟖ − 
ퟖ 
ퟑ 
− ퟎ = ퟓ. ퟑퟑퟑퟑퟑퟒ 
3. 
A.
푦 = 푥2 ≫≫≫ 푦 = 
2 
푥2 + 1 
푥2 = 
2 
푥2 + 1 
푥2(푥2 + 1) = 2 
푥4 + 푥2 − 2 = 0 
(푥2 + 2)(푥2 − 1) = 0 
푥2 + 2 = 0 ⋀ 푥2 − 1 = 0 
푥 = ±√2 ⋀ 푥 = ±√1 
풙 = ±ퟏ 
∫ ( 
2 
푥2 + 1 
) − (푥2)푑푥 
1 
−1 
∫ ( 
2 
) 푑푥 − ∫ 푥2푑푥 
푥2 + 1 
1 
−1 
1 
−1 
= 2 ln(푥2 + 1) − 
푥3 
3 
1 
| −1 
[ 2 ln(12 + 1) − 
13 
3 
] 
− [2 ln(−12 + 1) − 
−13 
3 
] 
1.052961 − 1.719627 
= −ퟎ. ퟔퟔퟔퟔ 
B.
풚 = 풙ퟐ + ퟐ ≫≫≫ 풚 = ퟐ풙ퟓ ≫≫ 
≫ 풙 = ퟎ 풚 ≫≫≫ 풙 
= ퟔ 
풙ퟐ + ퟓ = ퟐ풙 + ퟓ 
풙ퟐ + ퟐ − ퟓ − ퟐ풙 = ퟎ 
풙ퟐ − ퟐ풙 − ퟑ = ퟎ 
(풙 − ퟑ)(풙 + ퟏ) = ퟎ 
풙 = ퟑ ⋀ 풙 = −ퟏ 
ퟑ 
∫ [ (ퟐ풙 + ퟓ) − (풙ퟐ + ퟐ)] 
ퟏ 
ퟑ 
∫ (ퟐ풙 + ퟓ − 풙ퟐ − ퟐ )풅풙 
ퟏ 
ퟑ 
∫ (−풙ퟐ + ퟐ풙 + ퟑ) 
ퟏ 
풅풙 
ퟑ 
−ퟏ ∫ (풙ퟐ − ퟐ풙 − ퟑ)풅풙 
ퟏ 
ퟑ 
−ퟏ [∫ 풙ퟐ풅풙 − ∫ ퟐ풙 풅풙 − ∫ ퟑ풅풙 
ퟏ 
ퟑ 
ퟏ 
ퟑ 
ퟏ 
] 
−ퟏ [ 
풙ퟑ 
ퟑ 
− ퟐ풙ퟐ − ퟑ풙 + 푪] |ퟏퟑ 
= −ퟏ [ 
ퟑퟑ 
ퟑ 
− ퟐ ∗ ퟑퟐ − ퟑ ∗ ퟑ] 
+ ퟏ [ 
ퟏퟑ 
ퟑ 
− ퟐ ∗ ퟏퟐ − ퟑ ∗ ퟏ] 
= −ퟏ[ −ퟏퟖ ] + ퟏ[ −ퟒ. ퟔퟔퟔퟕ ] 
= ퟏퟑ. ퟑퟑퟑퟑퟒ 
C. 
풚ퟐ = 풙 − ퟏ ≫≫≫ 풚 = 풙 − ퟑ
풚 = √풙 − ퟏ 
풙 − ퟏ = 풙 − ퟑ 
풙 − ퟏ − 풙 + ퟑ = ퟎ 
≫≫ √풙 − ퟏ = 풙 − ퟑ 
(√풙 − ퟏ − 풙 − ퟑ) 
ퟐ 
= ퟎퟐ 
풙 − ퟏ − 풙ퟐ + ퟗ = ퟎ 
−풙ퟐ + 풙 + ퟖ = ퟎ 
푥 = 
−푏 ± √푏2 − 4푎푐 
2푎 
풙 = −ퟏ ± 
√ퟏ − ퟒ(−ퟏ)(ퟖ) 
ퟐ(−ퟏ) 
= 
√ퟑ 
ퟐ 
풔풆풄ퟐ(휽)풅휽 
D)
푦 = 푐표푠푥 ≫≫≫ 푦 = 푠푒푛푥 , 푥 ∈ [0,2휋] 
2휋 
0 
∫ (푐표푠푥 − 푠푒푛푥)푑푥 
2휋 
0 ∫ 푠푒푛푥푑푥 
= ∫ 푐표푠푥푑푥 − 
2휋 
0 
= 푠푒푛푥 + 푐표푠푥|0 2 
= 푠푒푛(2휋) + cos(2휋) = 0.0985 + 0.9951 = 1.0936 unidades cuadradas 
Cos x: 
X -3 -2 -1 0 1 2 3 
Y 0.9988 0.9995 0.9998 1 0.9998 0.9995 0.9988 
Sen x: 
X -3 -2 -1 0 1 2 3 
y -0.04 - 
0.03 
- 
0.01 
0 0.01 0.03 0.04 
5.
푦 = 4푥 − 푥2 
푥2 − 4푥 = 0 
푥(푥 − 4) = 0 
푥 = 0 ⋀푥 = 4 
4 
∫ 4푥 − 푥2 
0 
푑푥 
4 
∫ 4푥푑푥 
0 
4 
− ∫ 푥2푑푥 
0 
4푥2 − 
푥3 
3 
|0 4 
64 − 
64 
3 
− 0 = ퟒퟐ. ퟔퟔퟔퟔퟕ

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Taller #2 integral parte 2 seguimiento 2

  • 1. Taller Calculo Integral Parte 2 1. 1 − 1 2 3(6) [푓(0) + 4(0,08) + 2푓(0,16) + 4푓(0,24) + 2푓(0.32) + 4푓(0,4) + 푓(0,48)] 1 − 1 2 3(6) [( 2 1 + (0)4) + 4 ( 2 1 + (0,08)4) + 2 ( 2 1 + (0,16)4) + 4 ( 2 1 + (0,24)4) + 2 ( 2 1 + (0,32)4) + 4 ( 2 1 + (0,4)4) + ( 2 1 + (0,48)4)] 1 2 18 [2 + 4 ( 2 1,0256 ) + 2 ( 2 1,0066 ) + 4 ( 2 1,0033 2 1,010 ) + 2 ( ) + 4 ( 2 1,0256 ) + ( 2 1,0530 )] 1 36 [2 + 4(1,9500) + 2(1,9868) + 4(1,9934) + (1,9801) + 4(1,9500 + (18993)] 1 36 [2 + 7,8 + 3,9 + 7,9 + 3,9 + 7,8 + 1,8993] = [35,1993] = 0,972 B) 푇(푓, ℎ) = ℎ 2 [푓(푎) + 푓(푏)] 훿푥 2 [푓(푥0 + 2푓(푥1) + 2푓(푥2)… 푓(푥푛−1) + 푓(푥푛)] 1 24 푓(푥0) = 2 1 + 0 = 2 푓(푥1) = 2 1 + 0,08 = 1,9500 푓(푥2) = 2 1 + 0,16 = 1,9969 푓(푥3) = 2 1 + 0,24 = 1,9934
  • 2. 푓(0,32) = 2 1 + 0,34 = 1,9801 푓(0,4) = 2 1 + 0,4 = 1,9501 푓(0,48) = 2 1 + 0,48 = 1,8993 0,08 2 [2 + 2(1,9500) + 2(1,9868) + 2(1,9934) + 2(1,9801) + 2(1,9501) + 1,8993] [2 + 3,9 + 3,97 + 3,98 + 3,96 + 3,9 + 1,89] 1 24 [23,6]푢2 0,9833 2.
  • 3. ퟒ − 풙ퟐ = ퟎ 풙ퟐ = ퟒ 풙 = ±√ퟒ 풙 = ±ퟐ ퟐퟐ − 풙ퟐ = ퟎ (풙 + ퟐ)(풙 − ퟐ) = ퟎ 풙 + ퟐ = ퟎ ⋀풙 − ퟐ = ퟎ 풙 = −ퟐ ⋀풙 = ퟐ ퟐ ∫ ퟒ − 풙ퟐ풅풙 ퟎ = ퟐ ퟒ ∫ 풅풙 ퟎ ퟐ − ∫ 풙ퟐ풅풙 ퟎ = ퟒ풙 − 풙ퟑ ퟑ |ퟎퟐ = ퟖ − ퟖ ퟑ − ퟎ = ퟓ. ퟑퟑퟑퟑퟑퟒ 3. A.
  • 4. 푦 = 푥2 ≫≫≫ 푦 = 2 푥2 + 1 푥2 = 2 푥2 + 1 푥2(푥2 + 1) = 2 푥4 + 푥2 − 2 = 0 (푥2 + 2)(푥2 − 1) = 0 푥2 + 2 = 0 ⋀ 푥2 − 1 = 0 푥 = ±√2 ⋀ 푥 = ±√1 풙 = ±ퟏ ∫ ( 2 푥2 + 1 ) − (푥2)푑푥 1 −1 ∫ ( 2 ) 푑푥 − ∫ 푥2푑푥 푥2 + 1 1 −1 1 −1 = 2 ln(푥2 + 1) − 푥3 3 1 | −1 [ 2 ln(12 + 1) − 13 3 ] − [2 ln(−12 + 1) − −13 3 ] 1.052961 − 1.719627 = −ퟎ. ퟔퟔퟔퟔ B.
  • 5. 풚 = 풙ퟐ + ퟐ ≫≫≫ 풚 = ퟐ풙ퟓ ≫≫ ≫ 풙 = ퟎ 풚 ≫≫≫ 풙 = ퟔ 풙ퟐ + ퟓ = ퟐ풙 + ퟓ 풙ퟐ + ퟐ − ퟓ − ퟐ풙 = ퟎ 풙ퟐ − ퟐ풙 − ퟑ = ퟎ (풙 − ퟑ)(풙 + ퟏ) = ퟎ 풙 = ퟑ ⋀ 풙 = −ퟏ ퟑ ∫ [ (ퟐ풙 + ퟓ) − (풙ퟐ + ퟐ)] ퟏ ퟑ ∫ (ퟐ풙 + ퟓ − 풙ퟐ − ퟐ )풅풙 ퟏ ퟑ ∫ (−풙ퟐ + ퟐ풙 + ퟑ) ퟏ 풅풙 ퟑ −ퟏ ∫ (풙ퟐ − ퟐ풙 − ퟑ)풅풙 ퟏ ퟑ −ퟏ [∫ 풙ퟐ풅풙 − ∫ ퟐ풙 풅풙 − ∫ ퟑ풅풙 ퟏ ퟑ ퟏ ퟑ ퟏ ] −ퟏ [ 풙ퟑ ퟑ − ퟐ풙ퟐ − ퟑ풙 + 푪] |ퟏퟑ = −ퟏ [ ퟑퟑ ퟑ − ퟐ ∗ ퟑퟐ − ퟑ ∗ ퟑ] + ퟏ [ ퟏퟑ ퟑ − ퟐ ∗ ퟏퟐ − ퟑ ∗ ퟏ] = −ퟏ[ −ퟏퟖ ] + ퟏ[ −ퟒ. ퟔퟔퟔퟕ ] = ퟏퟑ. ퟑퟑퟑퟑퟒ C. 풚ퟐ = 풙 − ퟏ ≫≫≫ 풚 = 풙 − ퟑ
  • 6. 풚 = √풙 − ퟏ 풙 − ퟏ = 풙 − ퟑ 풙 − ퟏ − 풙 + ퟑ = ퟎ ≫≫ √풙 − ퟏ = 풙 − ퟑ (√풙 − ퟏ − 풙 − ퟑ) ퟐ = ퟎퟐ 풙 − ퟏ − 풙ퟐ + ퟗ = ퟎ −풙ퟐ + 풙 + ퟖ = ퟎ 푥 = −푏 ± √푏2 − 4푎푐 2푎 풙 = −ퟏ ± √ퟏ − ퟒ(−ퟏ)(ퟖ) ퟐ(−ퟏ) = √ퟑ ퟐ 풔풆풄ퟐ(휽)풅휽 D)
  • 7. 푦 = 푐표푠푥 ≫≫≫ 푦 = 푠푒푛푥 , 푥 ∈ [0,2휋] 2휋 0 ∫ (푐표푠푥 − 푠푒푛푥)푑푥 2휋 0 ∫ 푠푒푛푥푑푥 = ∫ 푐표푠푥푑푥 − 2휋 0 = 푠푒푛푥 + 푐표푠푥|0 2 = 푠푒푛(2휋) + cos(2휋) = 0.0985 + 0.9951 = 1.0936 unidades cuadradas Cos x: X -3 -2 -1 0 1 2 3 Y 0.9988 0.9995 0.9998 1 0.9998 0.9995 0.9988 Sen x: X -3 -2 -1 0 1 2 3 y -0.04 - 0.03 - 0.01 0 0.01 0.03 0.04 5.
  • 8. 푦 = 4푥 − 푥2 푥2 − 4푥 = 0 푥(푥 − 4) = 0 푥 = 0 ⋀푥 = 4 4 ∫ 4푥 − 푥2 0 푑푥 4 ∫ 4푥푑푥 0 4 − ∫ 푥2푑푥 0 4푥2 − 푥3 3 |0 4 64 − 64 3 − 0 = ퟒퟐ. ퟔퟔퟔퟔퟕ