Jak vypočítat Cube Root
Co je Cube Root?
The cube root of a number x is a value a such that a³ = x. In other words, you are looking for the number that, multiplied by itself three times, gives you x. Cube roots can be positive, negative, or zero, unlike square roots.
Průvodce krok za krokem
- 1Express the number as a product of prime factors
- 2Group prime factors into sets of three
- 3Take one factor from each group of three
- 4Multiply the results — that is the cube root
Worked Examples
Vstup
∛64
Výsledek
4
Because 4 × 4 × 4 = 64
Vstup
∛-27
Výsledek
−3
Because (−3)³ = −27
Vstup
∛125
Výsledek
5
Because 5 × 5 × 5 = 125
Vstup
∛1000
Výsledek
10
Because 10 × 10 × 10 = 1,000
Vstup
∛10
Výsledek
2.15443…
Not a perfect cube — irrational result
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