Question

[Nguyễn Đại Nghĩa]

a) cho\(a>c,b>c,c>o.\) \(CM:\sqrt{c\left(a-c\right)}+\sqrt{c\left(b-c\right)}\le\sqrt{ab}\)

b) Cho \(a>0,b>0\). \(Cm:\frac{2\sqrt{ab}}{\sqrt{a}+\sqrt{b}}\le\sqrt{\sqrt{ab}}\)

Answer 1

[pham trung thanh]

a) Gõ link này nha: http://olm.vn/hoi-dap/question/1078496.html