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Question-208489




Question Number 208489 by Tawa11 last updated on 17/Jun/24
Answered by Berbere last updated on 17/Jun/24
x^4 +1+(1/(x^4 +1))−4  ≥2(√((x^4 +1)/(x^4 +1)))−4=−2  equaliti  x=0
$${x}^{\mathrm{4}} +\mathrm{1}+\frac{\mathrm{1}}{{x}^{\mathrm{4}} +\mathrm{1}}−\mathrm{4} \\ $$$$\geqslant\mathrm{2}\sqrt{\frac{{x}^{\mathrm{4}} +\mathrm{1}}{{x}^{\mathrm{4}} +\mathrm{1}}}−\mathrm{4}=−\mathrm{2} \\ $$$${equaliti}\:\:{x}=\mathrm{0} \\ $$
Commented by Tawa11 last updated on 17/Jun/24
Thanks sir
$$\mathrm{Thanks}\:\mathrm{sir} \\ $$

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