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Descompuneti relatia

a^8+a^4+1


Răspuns :

[tex] {a}^{8} + {a}^{4} + 1 = \\

{a}^{8} + 2 {a}^{4} + 1 - {a}^{4} =

( {a}^{4} + 1) ^{2} - {a}^{4} =

( {a}^{4} + 1 - {a}^{2} )( {a}^{4} + 1 + {a}^{2} )[/tex]