Với $t_{i}\in \left [ 0,\,1 \right ]$ thì:
$$\frac{{t_{1}}^{2}+ {t_{2}}^{2}}{1+ {t_{1}}^{2}{t_{2}}^{2}}\leqq \left ( t_{1}+ t_{2}- t_{1}t_{2} \right )^{2}$$
$$\frac{{t_1}^{2}+{t_2}^{2}}{1+{t_1}^{2}{t_2}^{2}}\leqq\left(t_1+t_2-t_1t_2\right)^{2}$$
Started By DOTOANNANG, 23-06-2018 - 09:14
inequality
#1
Posted 23-06-2018 - 09:14
DOTOANNANG
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