Define f(x)=x+\sqrt{x+\sqrt{x+\sqrt{x+\sqrt{x+\ldots \ldots}}}} Find the smallest integral x such that f(x) \geq 50 \sqrt{x}.
Define f(x)=x+\sqrt{x+\sqrt{x+\sqrt{x+\sqrt{x+\ldots \ldots}}}} Find the smallest integral x such that f(x) \geq 50 \sqrt{x}.