Question

So sánh

\(5+\sqrt{27}\)và \(\sqrt{24}+\sqrt{26}\)

Answer 1

\(\text{Ta có : }\hept{\begin{cases}5>\sqrt{24}\left(\sqrt{25}>\sqrt{24}\right)\\\sqrt{27}>\sqrt{26}\left(\text{luôn đúng}\right)\end{cases}}\)

\(\Rightarrow5+\sqrt{27}>\sqrt{24}+\sqrt{26}\)

\(\text{Vậy }\)\(5+\sqrt{27}>\sqrt{24}+\sqrt{26}\)

Answer 2

Vì 5=căn 25>căn 24

    căn 27>căn 26

=>5+ căn 27>căn 24+ căn 26