Предмет: Алгебра, автор: 3693691

Упростите выражение a^18*a^-24/a^-4 и найдите его значение при a = 1/7

решение

Ответы

Автор ответа: 2407Alexa

0

а^18*а^(-24):а^(-4)=а^(18+(-24)-(-4))=а^(18-24+4)=а^(-2)=1/а² а=1/7 1/(1/7)²=1:1/49=1*49=49

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