Trigonometric Limits

[tefi10]

can someone help me solve this excercise?
lim when h->0 of [(2+h)to the -2 power - 2 to the -2 power / h ] ?

[mike]

Hi tefi,

Just to be sure, are you asking,



If yes, then this is how you proceed:



I'm sorry if this is a bit difficult to read. Make sure you understand each of the steps and if you need more help view the 3rd video in