Question

como eu acho a raiz quadrada de 142 ?

Answer 1

Olá !

Resolução :

$\mathsf{\sqrt{N}\approx\dfrac{N + B}{2\sqrt{B}}} \\\\\\ \mathsf{\sqrt{142}\approx\dfrac{142 + 144}{2\sqrt{144}}} \\\\\\ \mathsf{\sqrt{142}\approx\dfrac{286}{2\cdot12}} \\\\\\ \mathsf{\sqrt{142}\approx\dfrac{286}{24}} \\\\\\ \mathsf{\sqrt{142}\approx\ 11,9}$

Resposta :

$\mathsf{\displaystyle\sqrt{142}\approx\ 11,9}$

Answer 2

$\sqrt{142} \approx \textbf{11,91638}$