7/25/2019 Respuestas - Algebra de Baldor_Parte2

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8.8.8.8.8. + =25 32 72 2 2x y x y x y

9.9.9.9.9. 40 51 113 3 3x y x y x y =

10.10.10.10.10. + =m n m n m n 2 2 26 5

11.11.11.11.11. + =15 40 25xy xy xy

12.12.12.12.12. 55 81 263 2 3 2 3 2a b a b a b =

13.13.13.13.13. + =x y x y 2 2 0

14.14.14.14.14. + =9 9 02 2ab ab

15.15.15.15.15. 7 7 02 2x y x y =

16.16.16.16.16. + =101 118 17mn mn mn

17.17.17.17.17. 502 405 97ab ab ab =

18.18.18.18.18. + = 1024 1018 6x x x

19.19.19.19.19. + =15 15 0ab ab

20.20.20.20.20.1

2

3

4

2 3

4

1

4a a a a =

=

21.21.21.21.21.3

4

1

2

3 2

4

1

4a a a a =

=

22.22.22.22.22.5

6

5

12

10 5

12

5

12

2 2 2 2a b a b a b a b =

=

23.23.23.23.23. + = +

=

4

7

9

14

8 9

14

1

14

2 2 2 2

x y x y x y x y

24.24.24.24.24.3

8

5

4

3 10

8

7

8am am am am =

=

25.25.25.25.25. + = +

= am am am am 3

5

5 3

5

2

5

26.26.26.26.26.5

6

7

8

20 21

24

1

24mn mn mn mn =

=

27.27.27.27.27. + = +

= a b a b a b a b 2 2 2 23

11

11 3

11

8

11

28.28.28.28.28. 3 4 5 6 2 24 3 4 3 4 3

, , ,a b a b a b =

29.29.29.29.29. + =12 3 4 2 2, , ,yz yz yz

30.30.30.30.30. 4 2 2a a ax x x =

31.31.31.31.31. + =+ +

8 8 01 1a ax x

32.32.32.32.32. 25 32 71 1 1m m ma a a =

33.33.33.33.33. + =+ +x xa a1 1 0

34.34.34.34.34. + = +

=

1

4

1

2

1 2

4

1

4

2 2 2 2

a a a a m m m m

35.35.35.35.35.5

6

7

12

10 7

12

3

12

1

4

1 1 1 1 1a a a a a m m m m m + + + + + =

= =

36.36.36.36.36. 41

3

12 1

3

11

3

2 2 2 2a a a a =

=

37.37.37.37.37. + = +

= 53

4

20 3

4

17

4mn mn mn mn

38.38.38.38.38. 8 25 172 3 2 3 2 3a b a b a b x x x x x x + + + + + + =

39.39.39.39.39. + = +

=7

8

7 8

8

1

8a b a b a b a b m n m n m n m n

40.40.40.40.40. 0 85 0 5 0 35, , ,mxy mxy mxy =

EJERCICIO 9

1.1.1.1.1. 9 3 5 11a a a a + =

2.2.2.2.2. + =8 9 0x x x

3.3.3.3.3. 12 23 5 16mn mn mn mn =

4.4.4.4.4. + =x x x19 18 0

5.5.5.5.5. 19 10 6 15m m m m + =

6.6.6.6.6. + =11 15 26 0ab ab ab

7.7.7.7.7. + = 5 9 35 31a a a a X X X X

8.8.8.8.8. + =+ + +

24 15 39 02 2 2a a aX X X

9.9.9.9.9.2

3

1

3

2 1 3

3

0

30y y y y y + =

+ = =

10.10.10.10.10. + = +

= 3

5

1

4

1

2

12 5 10

20

17

20m m m m m

11.11.11.11.11.3

8

1

4

3 2 8

8

3

8

2 2 2 2 2a b a b a b a b a b + =+

=

12.12.12.12.12. + + =a a a a a 8 9 15

13.13.13.13.13. 7 11 20 31 15ab ab ab ab ab + =

14.14.14.14.14. 25 50 11 14 02 2 2 2x x x x + + =

15.15.15.15.15. + =xy xy xy xy xy 8 19 40 12

16.16.16.16.16. 7 21 80 53ab ab ab ab ab + =

17.17.17.17.17. + + = 25 11 60 82 362 2 2 2 2xy xy xy xy xy

18.18.18.18.18. + + =72 87 101 243 157ax ax ax ax ax

19.19.19.19.19. + =82 71 53 206 0bx bx bx bx

20.20.20.20.20.105 464 58 301 0

3 3 3 3

a a a a + + =

7/25/2019 Respuestas - Algebra de Baldor_Parte2

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21.21.21.21.21.1

2

1

3

1

4

1

5

30 20 15 12

60

13

60x x x x x x + =

+ =

22.22.22.22.22.1

3

1

3

1

6

1

12

4 4 2 1

12

1

12

y y y y y y + = +

=

23.23.23.23.23.3

5

1

6

1

3

18 5 10 30

30

7

30

2 2 2 2

2 2

a b a b a b a b

a b a b

+

= +

=

24.24.24.24.24. +

= +

= =

5

6

1

6

3

8

20 4 24 9

24

9

24

3

8

2 2 2 2

2 2 2

ab ab ab ab

ab ab ab

25.25.25.25.25. + + = a a a a a a 8 11 15 75 64

26.26.26.26.26. + + + =7 21 14 30 82 80c c c c c c

27.27.27.27.27. + + =mn mn mn mn mn mn 14 31 20

28.28.28.28.28. a y a y a y a y a y 2 2 2 2 27 93 51 48 0 + + =

29.29.29.29.29. + + + =a a a a a a a 3 6 3

30.30.30.30.30.1

2

2

3

7

6

1

2

3 4 7 3 6

6

3

6

1

2

x x x x x

x x x

+ +

=+ +

= =

31.31.31.31.31. + + +

= + + +

= =

23

4

1

4

5

6

48 18 6 24 20

24

20

24

5

6

x x x x x

x x x

32.32.32.32.32. 7 30 41 9 73 0a a a a a x x x x x + =

33.33.33.33.33. + + =+ + + + + +a a a a a a x x x x x x 1 1 1 1 1 17 11 20 26

34.34.34.34.34. a a a a a a a + + + =6 20 150 80 31 88

35.35.35.35.35. + = 9 11 17 81 110 9b b b b b b b

36.36.36.36.36. + + + = a b a b a b a b a b a b a b 2 2 2 2 2 2 215 85 131 39 162

37.37.37.37.37. 84 501 604 715 231 165

1340

2 2 2 2 2 2

2

m x m x m x m x m x m x

m x

+ +

=

38.38.38.38.38.5

6

2

3

1

4

5

84

20 16 6 15 96

24

111

24

37

84

3 2 3 2 3 2 3 2 3 2

3 2 3 2

3 2 5

8

3 2

a b a b a b a b a b

a b a b

a b a b

+ +

=+ +

=

= =

39.39.39.39.39. 40 81 130 41 83 91 16 28a a a a a a a a + + + =

40.40.40.40.40. + + =21 52 60 84 31 23 0ab ab ab ab ab ab ab

EJERCICIO 10

1.1.1.1.1. 7 6 9 4

7 6 13 9 4 13

13 13

a a b b

a a a b b b

a b

+

+ = =

=

2.2.2.2.2. a b c b c c a

a a b b c c c

+ +

= = + =

=

2

0 0 2 0

0

3.3.3.3.3. 5 11 9 20 1

5 20 25 11 12 9 1 10

25 12 10

x y x y

x x x y y y

x y

+

+ = = =

=

4.4.4.4.4. + +

= = =

= +

6 8 5 6 116 6 13 8 7 5 11 6

13 7 6

m n m n m m m m m n n n

m n

5.5.5.5.5. + + + +

+ = + = + =

=

a b b c a c b

a a a b b b c c

a

2 2 3 2 3

3 2 2 3 0 2 2 0

2

6.6.6.6.6. + + + +

+ + = + =

=

81 19 30 6 80 25

81 80 0 19 6 25 0 30

30

x y z y x x y

x x x y y y z

z

7.7.7.7.7. 15 6 8 20 5 31

15 8 8

6 5 12 20 31 11

8 12 11

2 2 2

2 2 2 2

2

a ab a ab a ab

a a a a

ab ab ab ab

a ab

+ +

+ =

= =

=

8.8.8.8.8. + + +

+ =

+ =

=

3 4 6 81 114 31

3 6 31 21

4 81 114 30

21 30

a b a b b a a b

a a a a a

b b b b b

a b

9.9.9.9.9. + + +

+ + =

+ =

=

71 84 50 84 45 18

71 50 45 18 48

84 84 0

48

3 4 2 3 4 2 3 3

3 3 3 3 3

4 2 4 2

3

a b a b a b a b a b a b

a b a b a b a b a b

a b a b

a b

10.10.10.10.10. + + + + +

+ = + =

+ = =

=

a b c a b c a b c

a a a a b b b

c c c

a

8 2 2 19 2 3 3 3 3

2 3 2 2 3 0

2 3 0 8 19 3 14

2 14