Cube Root of −1/2
Cube Root Calculator
What is the cube root of −1/2?
Answer
∛(−1/2) =
−∛4/2 ≈ −0.7937
Real cube root: the only number whose cube is −1/2.
≈ — rounded to 4 decimal places. −1/2 is not the cube of a rational number, so ∛(−1/2) is irrational: its decimal expansion never ends and never repeats.
A negative number has a negative cube root: (−∛4/2)³ = −1/2. There is no real square root of −1/2.
−1/2 = −0.5.
- Sign
- ∛(−1/2) = −∛(1/2), because (−a)³ = −a³
- Root of a fraction
- ∛(1/2) = ∛1/∛2 = 1/∛2
- Multiply by ∛(2²) = ∛4
- 1/∛2 = ∛4/∛8 = ∛4/2 ≈ 0.7937
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See Also
- Square Root Calculator - Calculate the square root of any number
- Simplify Square Root Calculator - Write any square root in simplest radical form, step by step
- Prime Factorization - Prime Factorization Calculator
- Scientific Calculator with Memory & History - Free Engineering Calculator Online with Memory Function, Operation History, Logarithms & Trigonometry. Similar to ti-83, ti-84, ti-89
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