Category: Algebra

Question Number 205594 by cortano12 last updated on 25/Mar/24 Answered by Red1ight last updated on 25/Mar/24 $$y^2=4x$$$$y=2\sqrt{x}$$$$\frac{dy}{dx}=\frac{1}{\sqrt{x}}=\frac{2}{y}$$$$\left({x}_{\mathrm{0}} ,{y}_{\mathrm{0}}…

Question Number 205551 by aba last updated on 24/Mar/24 $$\mathrm{what}\mathrm{is}\mathrm{the}\mathrm{decomposition}\mathrm{into}\mathrm{cycles}$$$$\mathrm{with}\mathrm{disjoints}\mathrm{support}\mathrm{of}{\mathrm{c}}^{\mathrm{k}},\mathrm{where}\mathrm{c}=(123\dots \mathrm{n})?$$ Answered by TheHoneyCat last updated on 01/Apr/24 $$\mathrm{please}{\mathrm{don}}^{\prime }\mathrm{t}\mathrm{re}-\mathrm{post}\mathrm{your}\mathrm{questions}.$$$$\mathrm{especially}\:\mathrm{a}\:\mathrm{single}\:\mathrm{day}\:\mathrm{after}……

Question Number 205559 by mnjuly1970 last updated on 24/Mar/24 $$$$$$Question.\left(mathanalysis\right)$$$$(X,d)isametricspaceand$$$${\left(p_n\right)}_{n=1}^{\mathrm{\infty }}isasequenceinX.$$$$\:\:\:\left({p}_{{n}} \right)_{{n}=\mathrm{1}} ^{\:\infty} {is}\:{cauchy}\:{if}\:{and}\:\:{only}\:{if} \…

Question Number 205528 by hardmath last updated on 23/Mar/24 $$\mathrm{Let}\mathrm{\forall }\mathrm{x}\in \mathrm{A}\to \mathrm{x}\in \mathbb{R}$$$$\mathrm{And}\mathrm{card}\left(\mathrm{A}\right)>\mathrm{card}\mathrm{N}$$$$\mathrm{Prove}\mathrm{that}:$$$$\mathrm{card}\left({\mathrm{A}}^{\prime }\right)>\mathrm{card}\mathrm{N}$$ Answered by Berbere last updated on 24/Mar/24…

Question Number 205514 by aba last updated on 23/Mar/24 $$\mathrm{Quelle}\mathrm{est}\mathrm{la}\mathrm{decomposition}\mathrm{en}\mathrm{cycles}$$$$\mathrm{a}\mathrm{support}\mathrm{disjoints}\mathrm{de}{\mathrm{c}}^{\mathrm{k}},\mathrm{ou}\mathrm{c}=(123\dots \mathrm{n})?$$ Commented by TheHoneyCat last updated on 01/Apr/24 On parle de permutations? et si oui... Vous êtes sur que la permutation en question c'est (1,...n) (à savoir l'identité ?) Commented by…