Question

Raiz quadrada de 50 - 8 : 2 ??

Answer 1

Raiz quadrada de 50-4 raiz quadrada de 46

Answer 2

$\dfrac{ \sqrt{50} - \sqrt{8}}{ \sqrt{2} }$

Fatorar os radicando

50 | 2
25 | 5
  5 | 5
  1 | ==2 . 5²

8 | 2
4 | 2
2 | 2
1 | == 2³

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$\dfrac{ \sqrt{50} - \sqrt{8}}{ \sqrt{2} } \\ \\ \\ \dfrac{ \sqrt{2.5^2} - \sqrt{2^3}}{ \sqrt{2} } \\ \\ \\ \dfrac{5\sqrt{2} - 2\sqrt{2}}{ \sqrt{2} } \\ \\ \\ \dfrac{ 3 \not \sqrt{2}}{ \not\sqrt{2} } \\ \\ \\=\ \textgreater \ 3$