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Cálculo de Una Variable, 6a ed

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ÁPENDICE I RESPUESTAS A EJERCICIOS DE NÚMERO IMPAR |||| A103<br />

41. ( 1 2s3, 3) , ( 1 2 s3, 23), y el polo<br />

43. Intersección en , 2.25; área 3.46 45.<br />

8<br />

47. 3 2 1 32 1 49. 29.0653 51. 9.6884<br />

16<br />

53. 55. (b) 2(2 s2)<br />

3<br />

1<br />

0.89<br />

_0.75 1.25<br />

<br />

19. 12, 0, 13, 0, 21. 0, 2, (0, 2s2) ,<br />

y 5<br />

y x<br />

12 x<br />

y<br />

0<br />

5<br />

y= 12 x<br />

12<br />

x<br />

y<br />

2<br />

y=x<br />

0 x<br />

_2<br />

_1<br />

EJERCICIOS 10.5 PÁGINA 660<br />

&<br />

1. 0, 0, ( 1 8, 0) , x 1 3. 0, 0, (0, 16)<br />

1<br />

8<br />

,<br />

y 1<br />

16<br />

23. (4, 2), (2, 2);<br />

(3 s5, 2) :<br />

y 2 2x 3<br />

y<br />

0<br />

(2, _2)<br />

x<br />

(4, _2)<br />

y<br />

1<br />

” , 0’<br />

8<br />

y<br />

y= 1<br />

16<br />

x<br />

(3-œ„5, _2)<br />

(3+œ„5, _2)<br />

x<br />

1<br />

”0, _ ’<br />

16<br />

x=_ 1 8<br />

5. 2, 3, 2, 5, y 1 7. 2, 1, 5, 1, x 1<br />

0 x<br />

(_5, _1)<br />

y=1<br />

9. x y 2 , foco ( 1 4, 0) , directriz x 1 4<br />

(_2, _1)<br />

x<br />

x=1<br />

11. 3, 0, 2, 0<br />

13. 0, 4,<br />

(0, 2s3)<br />

_3 0 3 x<br />

_2 0 2 x<br />

_œ„5<br />

_4<br />

x 2<br />

15. 17. , focos (0, s5)<br />

4 y 2<br />

1, 3, (1, s5) 9 1<br />

y<br />

(1, 3)<br />

y<br />

y<br />

(_2, 5)<br />

y<br />

y<br />

4<br />

œ„5<br />

y 3 2(x 2) 2<br />

25. Parábola, 0, 1, (0, 3 4) 27. Elipse, (s2, 1) , 1, 1<br />

29. Hipérbola, 0, 1, 0, 3; (0, 1 s5) 31. x 2 8y<br />

33. y 2 12x 1 35.<br />

37.<br />

x 2<br />

x 2 (y 4)2<br />

39. 1<br />

25 y2<br />

21 1 12 16<br />

41.<br />

(x 1) 2 (y 4)2<br />

x 2<br />

1 43.<br />

9 y2<br />

12 16<br />

16 1<br />

(y 1) 2 (x 3)2<br />

45. 1<br />

25 39<br />

47.<br />

x 2<br />

9 y2<br />

36 1<br />

49.<br />

x 2<br />

3 763 600 y 2<br />

3 753 196 1<br />

51. (a)<br />

121x 2<br />

1 500 625 121y2<br />

3 339 375 1 (b) 248 mi<br />

55. (a) Elipse (b) Hipérbola (c) No hay curva<br />

b 2 c<br />

59. 9.69 61. <br />

a<br />

ab ln a don<strong>de</strong> c<br />

b c 2 a 2 b 2<br />

EJERCICIOS 10.6 & PÁGINA 668<br />

1.<br />

42<br />

15<br />

r <br />

3. r <br />

4 7 sen <br />

4 3 cos <br />

5.<br />

8<br />

4<br />

r <br />

7. r <br />

1 sen <br />

2 cos <br />

9. (a) 1 (b) Parábola (c) y 1<br />

(d)<br />

1 π<br />

” , ’<br />

2 2<br />

y=1<br />

1 0 3<br />

x<br />

O<br />

(1,_3)

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