Предмет: Алгебра, автор: katyaboron

Докажите неравенства:
2b(a-2b) И
1/x^2>10-25x^2

Ответы

Автор ответа: albinkaklim
1
В первом неравенстве точно всё верно? Правой части нету
katyaboron: да,я ошиблась: 2b(a-2b)
katyaboron: 2b(a-2b)
katyaboron: да что ж такое?почему то он не пишет все
albinkaklim: Где сейчас-то правая часть?
katyaboron: в левой части: 2b(a-2b)
katyaboron: в правой:
katyaboron: a(a-2b)
katyaboron: и левая часть больше
katyaboron: правая часть больше!!!
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