- #1

Callumnc1

- 877

- 103

- Homework Statement:
- Please see below

- Relevant Equations:
- Please see below

For number 18,

The solution is,

However, should they not write "For ## -∞ < a < -2##" since ##a ≠ -∞## (infinity is not a number)?

Many thanks!

The solution is,

However, should they not write "For ## -∞ < a < -2##" since ##a ≠ -∞## (infinity is not a number)?

Many thanks!