ESO
Powers and roots
A power repeats a factor. A root undoes it. Remember (a+b)² is not a² + b².
Exercises
- 2⁴
- √81
- Simplify 3² × 3³
FAQ
Square root of a negative?
No real result in ESO.
ESO
A power repeats a factor. A root undoes it. Remember (a+b)² is not a² + b².
No real result in ESO.