rozwiaz
a) (a+b)(a²-ab+b²)
b) (a+b)³
c) (a-b)³
(a + b)3 = a3 + 3a2b + 3ab2 + b3 (a - b)3 = a3 - 3a2b + 3ab2 - b3
b)a³ + 3a²b + 3ab² + b³
c)a³ - 3a²b +3ab² - b³
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(a + b)3 = a3 + 3a2b + 3ab2 + b3
(a - b)3 = a3 - 3a2b + 3ab2 - b3
b)a³ + 3a²b + 3ab² + b³
c)a³ - 3a²b +3ab² - b³