ECUACIONES EXPONENCIALES Colegio Marista Cristo Rey (La Coruña). Depto de Ciencias. Prof. Fernando Suárez y José Vizoso DIRECTAS 1. 2 ! = 8 2. 2 ! = 64 3. 2 !!! = 256 4. 2 ! = 1024 5. 2 !!! = 8 6. 4 !!! = 8 7. 3 ! = 27 8. 3 ! = 81 9. 3 !!! = 729 10. 5 ! = 125 11. 5 !!! = 625 12. 2 !!! = 16 13. 2 !!! = 64 14. 2 !!! = 256 15. 2 !!! = 1024 CON PRODUCTOS 16. 2. 5 ! = 250 17. 3. 2 ! = 24 18. 3. 5 ! = 1875 19. 3. 5 ! = 75 20. 7. 2 ! = 224 21. 9. 3 !!! = 243 22. 125. 5 !! = 1 23. 7 !!! = 2401 24. 5 ! ! !!!!" = 1 25. 8. 2 !!! = 64 26. 7 ! ! . 7 !!! . 7 ! = 1 27. 25. 5 !!! = 5 ! 28. 10 !!! . 1000 = 1 29. 7 !!! . 7 ! = 7 !!! . 1 7 CON SUMAS Y RESTAS 30. 5 !!! + 100 = 5 ! 31. 4 ! + 4 !!! − 4 !!! + 44 = 0 32. 11 ! − 11 !!! = 1320 33. 3 ! + 3 !!! + 3 !!! = 351 34. 2 !!! + 2 ! + 2 !!! = 7 35. 3 !!! + 3 ! + 3 !!! = 117 36. 2 ! + 2 !!! + 2 !!! + 2 !!! = 480 37. 2 ! + 2 !!! + 2 !!! + 2 !!! = 15 2 38. 3 ! + 3 !!! = 12 39. 3 !! + 81 = 2. 3 !!! 40. 3 !. !!! − 28. 3 ! + 3 = 0 41. 3 !!!! − 8. 3 !!! = 3 42. 2 !!! + 4 !!! − 320 = 0 43. 3 !!!! − 28. 3 ! + 3 = 0 44. 9 ! − 2. 3 !!! + 1 = −80 45. 4 ! − 3. 2 !!! + 8 = 0 46. 5 !! − 30. 5 ! + 125 = 0 47. 5 !! − 6. 5 ! + 5 = 0 48. 4 ! − 5. 2 ! + 4 = 0 49. 9 ! − 2. 3 ! = 3 SOLUCIONES: 1. ! = 3 2. ! = 6 3. ! = 7 4. ! = 10 5. ! = 2 6. ! = 2 !! 7. ! = 3 8. ! = 4 9. ! = 5 10. ! = 3 11. ! = 2 12. ! = 3 13. ! = 7 14. ! = 6 15. ! = 8 16. ! = 3 17. ! = 3 18. ! = 4 19. ! = 2 20. ! = 5 21. ! = 4 22. ! = −1 23. ! = 3 24. ! ! = 5; ! ! = −4 25. ! = −2 26. ! ! = 4; ! ! = 1 27. ! = 4 28. ! = −1 29. ! = −3 30. ! = 3 31. ! = 2 32. ! = 1 33. ! = 4 34. ! = 1 35. ! = 3 36. ! = 5 37. ! = −1 38. ! = 2 39. ! = 2 40. ! ! = −2; ! ! = 1 41. ! = 2 42. ! = 3 43. ! ! = −2; ! ! = 1 44. ! = 2 45. ! ! = 2; ! ! = 1 46. ! ! = 2; ! ! = 1 47. ! ! = 0; ! ! = 1 48. ! ! = 0; ! ! = 2 49. ! = 1

10. ECUACIONES EXPONENCIALES

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ECUACIONES EXPONENCIALES

Colegio Marista Cristo Rey (La Coruña). Depto de Ciencias. Prof. Fernando Suárez y José Vizoso

DIRECTAS 1. 2! = 8 2. 2! = 64 3. 2!!! = 256 4. 2! = 1024 5. 2!!! = 8 6. 4!!! = 8 7. 3! = 27 8. 3! = 81 9. 3!!! = 729 10. 5! = 125

11. 5!!! = 625 12. 2!!! = 16 13. 2!!! = 64 14. 2!!! = 256 15. 2!!! = 1024

CON PRODUCTOS 16. 2. 5! = 250 17. 3. 2! = 24 18. 3. 5! = 1875 19. 3. 5! = 75

20. 7. 2! = 224 21. 9. 3!!! = 243 22. 125. 5!! = 1 23. 7!!! = 2401

24. 5!!!!!!" = 1 25. 8. 2!!! = 64

26. 7!! . 7!!! . 7! = 1 27. 25. 5!!! = 5! 28. 10!!!. 1000 = 1

29. 7!!!. 7! = 7!!!. 17

CON SUMAS Y RESTAS 30. 5!!! + 100 = 5! 31. 4! + 4!!! − 4!!! + 44 = 0 32. 11! − 11!!! = 1320 33. 3! + 3!!! + 3!!! = 351 34. 2!!! + 2! + 2!!! = 7 35. 3!!! + 3! + 3!!! = 117 36. 2! + 2!!! + 2!!! + 2!!! = 480

37. 2! + 2!!! + 2!!! + 2!!! = 152

38. 3! + 3!!! = 12 39. 3!! + 81 = 2. 3!!!

40. 3!. !!! − 28. 3! + 3 = 0 41. 3!!!! − 8. 3!!! = 3 42. 2!!! + 4!!! − 320 = 0 43. 3!!!! − 28. 3! + 3 = 0 44. 9! − 2. 3!!! + 1 = −80 45. 4! − 3. 2!!! + 8 = 0 46. 5!! − 30. 5! + 125 = 0 47. 5!! − 6. 5! + 5 = 0 48. 4! − 5. 2! + 4 = 0 49. 9! − 2. 3! = 3

SOLUCIONES: 1. ! = 3 2. ! = 6 3. ! = 7 4. ! = 10 5. ! = 2 6. ! = 2!! 7. ! = 3 8. ! = 4 9. ! = 5 10. ! = 3 11. ! = 2 12. ! = 3 13. ! = 7

14. ! = 6 15. ! = 8 16. ! = 3 17. ! = 3 18. ! = 4 19. ! = 2 20. ! = 5 21. ! = 4 22. ! = −1 23. ! = 3 24. !! = 5; !! = −4 25. ! = −2 26. !! = 4; !! = 1

27. ! = 4 28. ! = −1 29. ! = −3 30. ! = 3 31. ! = 2 32. ! = 1 33. ! = 4 34. ! = 1 35. ! = 3 36. ! = 5 37. ! = −1 38. ! = 2 39. ! = 2

40. !! = −2; !! = 1 41. ! = 2 42. ! = 3 43. !! = −2; !! = 1 44. ! = 2 45. !! = 2; !! = 1 46. !! = 2; !! = 1 47. !! = 0; !! = 1 48. !! = 0; !! = 2 49. ! = 1