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Obtén el resultado de la siguiente operación:
[tex]\[
3 - \sqrt{49 + 2 \left(3 + 4^2\right) \div \frac{1}{2}}
\][/tex]


Sagot :

Claro, vamos a resolver la expresión paso a paso.

La expresión dada es:

[tex]\[ 3 - \sqrt{49 + 2\left(3 + 4^2\right) \div \left(\frac{1}{2}\right)} \][/tex]

1. Primero, resolvemos dentro del paréntesis:
[tex]\[ 3 + 4^2 \][/tex]
[tex]\[ 4^2 = 16 \][/tex]
[tex]\[ 3 + 16 = 19 \][/tex]

2. Luego multiplicamos este resultado por 2 y lo dividimos por [tex]\( \frac{1}{2} \)[/tex]:
[tex]\[ 2 \left(19\right) \div \left(\frac{1}{2}\right) \][/tex]
Dividir por un medio es lo mismo que multiplicar por 2:
[tex]\[ 2 \left(19\right) \times 2 = 38 \times 2 = 76 \][/tex]

3. Ahora sumamos este resultado a 49:
[tex]\[ 49 + 76 = 125 \][/tex]

4. Calculamos la raíz cuadrada de 125:
[tex]\[ \sqrt{125} \approx 11.180339887498949 \][/tex]

5. Finalmente, restamos este resultado de 3:
[tex]\[ 3 - 11.180339887498949 \approx -8.180339887498949 \][/tex]

Entonces, el resultado de la expresión [tex]\( 3 - \sqrt{49 + 2\left(3 + 4^2\right) \div \left(\frac{1}{2}\right)} \)[/tex] es aproximadamente [tex]\(-8.180339887498949\)[/tex].
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