Show that \( 1+x \log \left(x+\sqrt{x^{2}+1}\right) \geq \sqrt{1+x^{2}} \forall x \geq 0 \)
Show that \( 1+x \log \left(x+\sqrt{x^{2}+1}\right) \geq \sqrt{1+x^{2}} \forall x \geq 0 \)
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