Math
Nth roots.
Definition
The nth root of a number x is a value that, when raised to the nth power, equals x. Written as ⁿ√x or x^(1/n). Square roots and cube roots are the most common examples.
Examples
Real-world.
- 1 The cube root of 27 is 3 because 3³ = 27
- 2 The 4th root of 16 is 2 because 2⁴ = 16
- 3 Finding the side length of a cube given its volume
Key Fact
ⁿ√x = x^(1/n)