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Question Number 152049 by mathdanisur last updated on 25/Aug/21
If  a;b≥1  then prove that:  (a+1+((a+1)/a^2 ))^a ∙ (b+1+((b+1)/b^2 ))^b ≥ 2^(2(1+(√(ab))))
$$\mathrm{If}\:\:\mathrm{a};\mathrm{b}\geqslant\mathrm{1}\:\:\mathrm{then}\:\mathrm{prove}\:\mathrm{that}: \\ $$$$\left(\mathrm{a}+\mathrm{1}+\frac{\mathrm{a}+\mathrm{1}}{\mathrm{a}^{\mathrm{2}} }\right)^{\boldsymbol{\mathrm{a}}} \centerdot\:\left(\mathrm{b}+\mathrm{1}+\frac{\mathrm{b}+\mathrm{1}}{\mathrm{b}^{\mathrm{2}} }\right)^{\boldsymbol{\mathrm{b}}} \geqslant\:\mathrm{2}^{\mathrm{2}\left(\mathrm{1}+\sqrt{\boldsymbol{\mathrm{ab}}}\right)} \: \\ $$

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