Cho $a+b+c=2$
Tìm GTLN của
$M=\frac{ab}{\sqrt{2c+ab}}+\frac{bc}{\sqrt{2a+bc}}+\frac{ca}{\sqrt{2b+ca}}$
GTLN
Started By dtvanbinh, 29-11-2013 - 21:29
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#1
Posted 29-11-2013 - 21:29
dtvanbinh
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Trung sĩ
$(2x^{2}+2y^{2}+z^{2}-1)^{3}-\frac{1}{10}x^{2}z^{3}-y^{2}z^{3}=0$
$(x^{2}+\frac{9}{4}y^{2}+z^{2}-1)^{3}-x^{2}z^{3}-\frac{9}{80}y^{2}z^{3}=0$
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