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Descompuneti utilizand a^3 + 3a^2b + 3ab^2 +b^3
A) x^3 + 6x^2y + 12xy^2 + 8y^3
B) 27x^3 + 54x^2y + 36xy^2 + 8y^3


Răspuns :

a³+3a²b+3ab²+b³= (a+b)³
A) x³+6x²y+12xy²+8y³= (x+2y)³
B)27x³+54x²y+36xy²+8y³ = (3x+2y)³