# Tag: integration

## L’Hopital’s Limit From A Phone Game

One of my recently graduated students was playing a phone riddle game that required an answer to this level: Turns out the solution to the game was just simply the word “answer” as the instruction was to simply enter that in. However, the integral and the limit shown there...
## Things to Reconsider: The Integral of $$\frac{1}{x}$$
Absolute Absolutes? Consider the following integral: $\int \frac{1}{x}\,dx = \log_e|x| + C$ When learning this integral, teachers often stress the need to include the absolute value signs. The reasoning behind this is often to do with the fact that the logarithm of a negative number is undefined. However, is...