Question

Descompuneti relatia

a^8+a^4+1

Answer 1

${a}^{8} + {a}^{4} + 1 = \\ </p><p>{a}^{8} + 2 {a}^{4} + 1 - {a}^{4} = </p><p>( {a}^{4} + 1) ^{2} - {a}^{4} = </p><p>( {a}^{4} + 1 - {a}^{2} )( {a}^{4} + 1 + {a}^{2} )$