Skillnad mellan versioner av "1.2 Lösning 7"

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<math> U_5(x) = 2\,x\,\cdot\,U_4(x)\,-\,U_3(x) = 2\,x\,\cdot\,(16\,x^4\,-\,12\,x^2\,+\,1)\,-\,(8\,x^3\,-\,4\,x) = </math>
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<math> U_5(x) = 2\,x\,\cdot\,U_4(x)\,-\,U_3(x) = 2\,x\,\cdot\,(16\,x^4\,-\,12\,x^2\,+\,1)\,- </math>
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::<math> \,-\,(8\,x^3\,-\,4\,x) = </math>
  
 
::<math> = 32\,x^5\,-\,24\,x^3\,+\,2\,x\,-\,8\,x^3\,+\,4\,x = 32\,x^5\,-\,32\,x^3\,+\,6\,x </math>
 
::<math> = 32\,x^5\,-\,24\,x^3\,+\,2\,x\,-\,8\,x^3\,+\,4\,x = 32\,x^5\,-\,32\,x^3\,+\,6\,x </math>

Versionen från 8 december 2010 kl. 21.53

\( U_5(x) = 2\,x\,\cdot\,U_4(x)\,-\,U_3(x) = 2\,x\,\cdot\,(16\,x^4\,-\,12\,x^2\,+\,1)\,- \)

\[ \,-\,(8\,x^3\,-\,4\,x) = \]
\[ = 32\,x^5\,-\,24\,x^3\,+\,2\,x\,-\,8\,x^3\,+\,4\,x = 32\,x^5\,-\,32\,x^3\,+\,6\,x \]