Lê Quốc Trần Anh Coordinator
13/06/2018 at 02:03-
Alone 15/06/2018 at 09:39
Nguyễn Mạnh Hùng 6,99999999 >6 nhé
-
Nguyễn Mạnh Hùng 16/06/2018 at 01:03
Oh, right Alone
-
Nguyễn Mạnh Hùng 15/06/2018 at 07:57
We have:
\(a\ge3\) and \(b\ge3\)
So \(a+b\ge6\)
If a + b = 6 then a = 3; b = 3
\(\Rightarrow a^2+b^2=3^2+3^2=18< 25\)
So \(a+b>6\)
Or \(a+b\ge7\)