Предмет: Математика, автор: Samirа

При каких а верно равенство: 7а²=а³

Ответы

Автор ответа: myulechka

0

7а²=а³ сокращаем на а²
а=7

Автор ответа: ххх118

0

7а²=а³
7а²-а³=о
а²(7-а)=о
а²=о
7-а=о
а=о
а=7
а1=о;а2=7

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