Tuymaada 2013, seniori, problema 5
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Laurențiu Ploscaru
- Mesaje: 1237
- Membru din: Mie Mai 04, 2011 5:42 pm
- Localitate: Călimănești
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Tuymaada 2013, seniori, problema 5
Arătați că fiecare polinom de grad $4$ din $\Bbb{R}[X]$ poate fi scris sub forma $P(Q(x))+R(S(x))$, unde $P,Q,R,S$ sunt trinoame de gradul $2$ cu coeficienți reali.
People are strange when you're a stranger,
Faces look ugly when you're alone.
Women seem wicked when you're unwanted,
Streets are uneven when you're down.
Faces look ugly when you're alone.
Women seem wicked when you're unwanted,
Streets are uneven when you're down.