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 0    5 flashcards    zt1061
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Question język polski Answer język polski
(a+b)3
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(a+b)3 = a3 + 3a2b + 3ab2 + b3
(a-b)3
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(a-b)3 = a3 - 3a2b + 3ab2 - b3
a3 + b3
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a3 + b3 = (a+b) x (a2 - ab + b2)
a3 - b3
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a3 - b3 = (a - b) x (a2 + ab + b2)
(a+b+c)2
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(a+b+c) 2 = a2 + b2 + c2 + 2ab + 2ac + 2bc

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