Chapter 14 · Partial Derivatives
14.02
Limits and Continuity
In two variables, a limit has to be the same along every path to the point, so it can fail in ways one-variable limits can't.
About 15 minutes
You'll learn to
- →Evaluate limits by substitution
- →Show a limit does not exist with two paths
- →Prove a limit exists with polar coordinates or squeezing
- →Decide where a function is continuous