PROBLEMAS

PROBLEMA 2-11
https://docs.google.com/document/d/1JJAtfbPeysVHu4zBUe-VgJkyXJl9sToz314vrauo2dI/edit

PROBLEMA 2-21
https://docs.google.com/document/d/1_QGLsoiotTxOmKbtzdjKViEeJVYNo8qhzz-DwM_8XM0/edit
PROBLEMA 2-31
https://docs.google.com/document/d/1p_ZzM0Pq7lAhQhlNtJ9OCj8Tur01glMJQTRQclyuXrw/edit

PROBEMA 2-41
https://docs.google.com/document/d/1eDfAzllDzmSAxdT0h45HV2YS8V4-TjjyI494ck-D-aE/edit