Diferencia Les

PARTE 1 1.1. Determinar si es solución: 1.

2.

 =  +; = +;

   =  +   += 

3.

=;

  +  =   

4.

 =  + −;

+′=′

.     = 6.

= +  +  ;

 ( ) +.=  = 

1.2. Determinar a partir de soluciones generales: 1.

 =  + −

2.

=+

3.

    +   =  

1.3

PARTE 2

1.

′′+′+= Solución general:

 = − + − +15  45 2



′′ + ′ + . =    3. ′′=. +  4. ′′ +  =   +     5. ′′+′=   + 6. ′′+′+=−   7. ′′+′+=    8. ′′ + ′ +  = .  9. ′′ .′ =   . 10. ′′+′+.=.+  11. ′′ + . =   . 12. ′′ +  =  +    13. ′′+′+=  +    14. ′′ + ′ +  =    15. ′′ +  =     =,  =  16. ′′′+.=   =,  = 2.

′′+.′+.=..  =.,  =. 18. ′′′=  −  =,  = 19. ′′+ = +.  =, . =  20. ′′+ +  =         =.,  =. 17.