!Let \(x\) \(y\)and \(z\) be nonnegative real numbers such that \(x+y+z=5\) Find the maximum value of \(\sqrt{2x + 1} + \sqrt{2y + 1} + \sqrt{2z + 1}\)
The maximum value is sqrt(10).
that is wrong..... :(
Is it \(3\sqrt{\frac{13}{3}}=\sqrt{39}\)?
