05.03.2015 Views

calculo-de-una-variable-1

calculo-de-una-variable-1

calculo-de-una-variable-1

SHOW MORE
SHOW LESS
  • No tags were found...

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

A76 |||| APÉNDICE I RESPUESTAS A EJERCICIOS DE NÚMERO IMPAR<br />

13. (a) (b) dy <br />

6r2<br />

u 1 du<br />

1 r 3 dr<br />

3<br />

15. (a) dy 1 10 e x10 dx (b) 0.01;0.0101<br />

17. (a) dy sec 2 x dx (b) 0.2<br />

19. y 0.64, dy 0.8 y<br />

21. y 0.1, dy 0.125<br />

y<br />

dx=Îx<br />

2<br />

1<br />

0<br />

1<br />

y= 2 x<br />

23. 32.08 25. 4.02 27. 1 90 0.965<br />

33. (a) 270 cm 3 , 0.01, 1% (b) 36 cm 2 , 0.006,<br />

1<br />

35. (a) ; 84 0.012<br />

1<br />

(b) 1 764<br />

2 179 cm 3 ; 56 0.018<br />

37. (a) 2rh r (b) r 2 h<br />

43. (a) 4.8, 5.2 (b) Todo largo<br />

84 27 cm 2 0.6%<br />

EJERCICIOS 3.11 & PÁGINA 259<br />

1. (a) 0 (b) 1<br />

3<br />

1<br />

3. (a) 4 (b) 2 e 2 e 2 3.62686<br />

5. (a) 1 (b) 0<br />

21. sech x 3 , senh x 4 , csch x 3 , tanh x 4 , cosh x 5 5<br />

3<br />

4<br />

5<br />

3<br />

23. (a) 1 (b) 1 (c) (d) (e) 0 (f ) 1<br />

(g) (h) (i) 0<br />

31. f x x cosh x 33. hx tanh x<br />

35. y 3e cosh 3x senh 3x 37. f t 2e t sech 2 e t tanhe t <br />

39.<br />

2 senh x<br />

y <br />

sech2 x<br />

41. Gx <br />

1 tanh 2 x<br />

1 cosh x 2<br />

1<br />

43. y <br />

2sx 1 x<br />

45. y senh 1 x3<br />

47.<br />

1<br />

y <br />

xsx 2 1<br />

51. (a) 0.3572 (b) 70.34°<br />

53. (b) y 2 senh 3x 4 cosh 3x<br />

55. (ln(1 s2), s2)<br />

REPASO DEL CAPÍTULO 3 & PÁGINA 261<br />

1<br />

Preguntas <strong>de</strong> verda<strong>de</strong>ro-falso<br />

1. Verda<strong>de</strong>ro 3. Verda<strong>de</strong>ro 5. Falso 7. Falso 9. Verda<strong>de</strong>ro<br />

11. Verda<strong>de</strong>ro<br />

0<br />

x<br />

y=2x-≈<br />

dy<br />

1<br />

Îy<br />

Îy<br />

dx=Îx<br />

dy<br />

2 cos 2<br />

Ejercicios<br />

1. 6xx 4 3x 2 5 2 2x 2 3 3.<br />

1<br />

2sx 4<br />

3s 3 x 7<br />

5.<br />

22x 2 1<br />

sx 2 1<br />

7.<br />

sen 2<br />

e<br />

9.<br />

t 2 1 cos sx sx sen sx<br />

11.<br />

1 t 2 2 2sx<br />

13.<br />

1 y 4 2xy<br />

e1x 1 2x<br />

15.<br />

x 4<br />

4xy 3 x 2 3<br />

17.<br />

2 sec 2 tan 2 1<br />

19. 1 c 2 e cx sen x<br />

1 tan 2 2<br />

21. 3 x ln x ln 31 ln x 23. x 1 2<br />

25.<br />

2x y cosxy<br />

2<br />

27.<br />

x cosxy 1 1 2x ln 5<br />

29. cot x sen x cos x 31.<br />

4x<br />

1 16x 2 tan1 4x<br />

33. 5 sec 5x 35. 6x csc 2 3x 2 5<br />

37.<br />

39.<br />

3x<br />

cos(tan s1 x 3 )(sec 2 s1 x 3 )<br />

2s1 x 3<br />

2 cos tansen sec 2 sen <br />

41. x 2 4 3x 2 55x 52<br />

2sx 1x 3 8 43. 2x 2 coshx 2 senhx 2 <br />

45. 3 tanh 3x 47.<br />

cosh x<br />

ssenh 2 x 1<br />

49.<br />

3 sene stan 3 e stan 3x sen 2 3x<br />

2stan 3x<br />

51. 4 27 53. 5x 4 y 11<br />

57. y 2s3x 1 s33 59. y 2x 1<br />

61. y x 2; y x 2<br />

63. (a)<br />

10 3x<br />

2s5 x<br />

(b) y 7 4 x 1 4, y x 8<br />

(c)<br />

10<br />

(4, 4)<br />

(1, 2)<br />

_10 10<br />

ƒ<br />

_10<br />

65. (4, s2), (54, s2) 69. (a) 2 (b) 44<br />

71. 2xtx x 2 tx 73. 2txtx 75. te x e x<br />

77. txtx 79.<br />

f xtx 2 tx f x 2<br />

f x tx 2<br />

81. f tsen 4xtsen 4xcos 4x4 83. 3, 0<br />

85. y 2 3 x 2 14<br />

3 x<br />

87. vt Ae ct c cost sent ,<br />

at Ae ct c 2 2 cost 2c sent <br />

89. (a) vt 3t 2 12, at 6t (b) t 2;<br />

0 t 2<br />

(c) 23 (d) 20<br />

(e) t 2; 0 t 2<br />

y<br />

v<br />

0 t 3<br />

posición<br />

15<br />

a

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!