Укажите неравенство, которое НЕ ИМЕЕТ решений.
1) х^2+78>0
2)х^2+78<0
3)х^2-78>0
4)х^2-78<0
1) х^2+78>0
2)х^2+78<0
3)х^2-78>0
4)х^2-78<0
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