Предмет: Алгебра, автор: alttata

чем отличается -а⁴ от (-а⁴)
В школе сказали что -а⁴ получится отрицательное число , а (-а)⁴ положительное , почему так ??

Ответы

Автор ответа: Marya2699

Ответ:

Потому что где без скобок степень относится только к числу. А со скобками мы берем и минус.

Следовательно, если степень четная, но минус идет отдельно (1 пример),то число отрицательное. А если мы возводим в четную степень и минус, то число будет положительное.

Короче, как-то так

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