Question

na igualdade √8+√18 =N √2 qual é o valor de N??

Answer 1

$\sqrt{8} + \sqrt{18} =n \sqrt{2} \\ \sqrt{2*4} + \sqrt{2*9} =n \sqrt{2} \\ 2 \sqrt{2} +3 \sqrt{2} =n \sqrt{2} \\ (2+3) \sqrt{2} =n \sqrt{2} \\ 5 \sqrt{2} =n \sqrt{2} \\ n= \frac{5 \sqrt{2}}{ \sqrt{2} } \\ \\ \boxed{\boxed{n=5}}$