ДАМ 50 балов!!!!
Укажіть неправильну формулу.

Виберіть одну відповідь:

O a. (a+b)( ^ 2 -ab+b^ 2 )=a^ 3 +b^ 3

O b. (a + b) ^ 2 = a ^ 2 + 2ab + b ^ 2

O c. (a + b)(b - a) = a ^ 2 - b ^ 2

O d. (a + b) ^ 3 = (a + b) ^ 2 * (a + b)
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