Raíz cuadrada de un numero Math.sqrt y raíces de diferentes índices Math.pow en java – Law Firm – Domains – Automovil

Para aplicarle la raíz cuadrada a un número enjava usaremos el métodoMath.sqrt

Lo único que debemos hacer es declarar una variable preferiblemente de tipo float y almacenar en ésta el resultado del métodoMath.sqrt(numero). Ejemplo si tenemos Math.sqrt(16) el resultado sería 4.

Ejemplo raíz cuadrada:

1 2 3 4 5

int numero; System.out.println("Ingrese el radicando: "); numero = tec.nextInt(); float resultado1 = (float) Math.sqrt(numero); System.out.println("La raiz cuadrada de "+ numero + " es: " + resultado1);

La salida sería la siguiente:

Ingrese el radicando:
9
La raiz cuadrada de 9 es: 3.0

También si queremos podemos operar raíces cúbicas, y con cualquier índice n. Haremos algo parecido a lo mostrado en la entradaElevar un número a una potencia en java Math.pow

Ejemplo de raíz de índice n:

1 2 3 4 5 6 7

double indice, radicando; System.out.println("Ingrese el radicando "); radicando = tec.nextInt(); System.out.println("Ingrese el indice"); indice = tec.nextInt(); float resultado2 = (float) Math.pow(radicando, 1/indice); System.out.println("La raíz " + indice+ " de "+ radicando+ " es "+ resultado2);

Si lo ven almacenamos el valor del radicando y del índice de la raíz en sus respectivas variables, luego el métodoMath.pow se encargará de realizar la operación.Recordemos que si tenemos la raíz cuadrada de 4 ésto sería igual a decir 4 elevado a la 1/2, por ello la operación 1/índice en el segundo parámetro del método Math.pow.

En consola vamos a ver algo parecido a lo siguiente:

Ingrese el radicando
64
Ingrese el indice
3
La raíz 3.0 de 64.0 es 4.0

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