Question

Raiz quadrada de 700+ raiz quadrada de 200 é igual a:
a) 30
b) raiz de 900
c) 9 raiz de 10
d) 10 raiz de 7 + raiz de 2

Answer 1

Resposta:

$\sqrt{700}+\sqrt{200} \\\\\sqrt{7.100}+\sqrt{2.100} \\\\10\sqrt{7}+10\sqrt{2} \\\\10.(\sqrt{7}+\sqrt{2})$