Автор - gjkbyf2004

(а-3)^2 +3а (7а+2) при а =√3

Ответ

Автор - renardsansabri

(а-3)^2 +3а (7а+2)=a^2-6a+9+21a^2+6a=22a^2+9

а =√3

22*(√3)^2+9=22*3+9=75

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