learn.howToCalculate
learn.whatIsHeading
The square root of a number x is a value r such that r² = x. Every positive number has two square roots: a positive (principal) root and a negative root. Only zero has a single square root: zero itself.
Guía paso a paso
- 1Factor the number into prime factors
- 2Pair up identical prime factors
- 3Take one factor from each pair and multiply them
- 4Any unpaired factors stay inside the radical symbol
Ejemplos resueltos
Entrada
√144
Resultado
12
12 × 12 = 144
Entrada
√2
Resultado
1.41421…
Irrational — cannot be simplified further
Entrada
√0.25
Resultado
0.5
0.5 × 0.5 = 0.25
Entrada
√200
Resultado
10√2
√(100 × 2) = 10√2 ≈ 14.142
learn.ctaText
Pruébalo tú mismo →