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Question Number 55193 by naka3546 last updated on 19/Feb/19

Answered by Meritguide1234 last updated on 20/Feb/19

$$\mathrm{by}\mathrm{cauchy}\mathrm{triangle}\mathrm{inequality}$$$$\mathrm{x}⩾\sqrt{2}(\mathrm{a}-\mathrm{b}+1+...+\mathrm{c}-\mathrm{a}+1)$$$$\min \mathrm{x}=3\sqrt{2},\mathrm{a}=\mathrm{b}=\mathrm{c}=\frac{1}{2}$$$${\mathrm{x}}^2-3\mathrm{x}+7=25-9\sqrt{2}$$

Commented by naka3546 last updated on 19/Feb/19

$$howtogetit?areyousure?$$

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