Автор - llsakii

{x}^{4} +  {x}^{2}  + 1
Нужно разложить на множители. Спасите, пожалуйста ​

Ответ

Автор - QDominus

 {x}^{4}  +  {x}^{2}  + 1 =  {x}^{4}  + 2 {x}^{2}  -  {x}^{2}  + 1 = \ =  ({x}^{4}  + 2 {x}^{2}  + 1)  -  {x}^{2}  = ( {x}^{2}  + 1) -  {x}^{2}  =  \  = ( {x}^{2}  + 1 -  x )( {x}^{2}  + 1 + x) = ( {x}^{2}  - x  +  1)( {x}^{2}  + x  +  1)

Ответ

Автор - MrSolution

   {x}^{4}  -  {x}^{3}  +  {x}^{3}  +  {x}^{2}  -  {x}^{2}  +  {x}^{2}  + x - x + 1 =  {x}^{2} ( {x}^{2}  - x + 1) + x( {x}^{2}  - x +1 ) + ( {x}^{2}  - x + 1) = ( {x}^{2}  - x + 1)( {x}^{2}  + x + 1)

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