Предмет: Алгебра, автор: malakhova

1)  (а+b)^2-4ab=(a-b)^2

2)  (a-b)^2+4ab=(a+b)^2

 

 

 

Ответы

Автор ответа: БейбаЕС
0

1)a2+2ab+b2-4ab=a2-2ab+b2

a2+2ab+b2-4ab-a2+2ab-b2=0

ответ:0

2)a2-2ab+b2+4ab=a2+2ab+b2

a2-2ab+b2+4ab-a2-2ab-b2=0

ответ:0

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