Предмет: Алгебра, автор: Ivan200114

Докажите неравенство: a^{2} +5 textgreater 2a

Ответы

Автор ответа: konrad509
0
a^2+5 textgreater 2a\ a^2-2a+1+4 textgreater 0\ (a-1)^2 textgreater -4\ ainmathbb{R}
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