(a + b)2= a2 + 2ab + b2, yig‘indining kvadrati, (a – b)2 = a2 – 2ab + b2, ayirmaning kvadrati, (a + b)3 = a3+ 3a2 b + 3ab2 + b3, yig‘indining kubi, (a – b)3 = a3 – 3a2 b + 3ab2 – b3, ayirmaning kubi, a2 – b2 = (a – b) (a + b), kvadratlar ayirmasi, a3 – b3 = (a – b) (a2 + ab + b2), kublar ayirmasi, a3 + b3 = (a + b) (a2 – ab + b2), kublar yig'indisi

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