[Toán 9] Căn bậc hai

L

lp_qt

$$2014\sqrt{2015}<2015^2 \rightarrow \sqrt{2013\sqrt{2014\sqrt{2015}}}<\sqrt{2013. 2015}<2014$$

$$......$$

$$\rightarrow \sqrt {2\sqrt {3\sqrt {4...\sqrt {2013\sqrt {2014\sqrt {2015} } } } } } < \sqrt{2\sqrt{3. 5}}<\sqrt{8}<3$$

NGuồn: VMF
 
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