Limit calculation

Mar 2017
358
3
Massachusetts
In the image below, how am I applying the limit laws wrong? I know the correct solution is 5, but I get -1!

The problem I am facing is something related to my usage of the product rule for limits.

IMG_20190616_121124.jpg
 

Plato

MHF Helper
Aug 2006
22,507
8,664
In the image below, how am I applying the limit laws wrong? I know the correct solution is 5, but I get -1!
The problem I am facing is something related to my usage of the product rule for limits.
View attachment 39425
Your limits are absolutely correct. But you middle school arithmetic is lousy.

\(\displaystyle 3\cdot 1-1+3=5\)
 
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Mar 2017
358
3
Massachusetts
yeah I'm the worst at arithmetic. Thank you :D