Category: Algebra

Question Number 144156 by mathdanisur last updated on 22/Jun/21 Commented by mitica last updated on 22/Jun/21 $$x=2,y=8false$$$$,,⩽,,or,,⩾,,$$ Commented by mathdanisur last…

Question Number 144148 by bobhans last updated on 22/Jun/21 $$\{\begin{array}{l}2\ln \mathrm{x}+\ln \mathrm{y}=2\\ {\mathrm{x}}^2+\mathrm{y}={\mathrm{e}}^2+1\end{array}$$ Answered by EDWIN88 last updated on 22/Jun/21 $$\:\begin{cases}{\mathrm{x}^{\mathrm{2}} \mathrm{y}\:=\:\mathrm{e}^{\mathrm{2}} }\{\mathrm{x}^{\mathrm{2}} +\mathrm{y}\:=\:\mathrm{e}^{\mathrm{2}}…

Question Number 144120 by mathdanisur last updated on 21/Jun/21 $${log}_{2}3=x,{log}_{3}5=y,lg6=?$$ Answered by Ar Brandon last updated on 21/Jun/21 $$\mathrm{log}_{\mathrm{3}} \mathrm{5}=\mathrm{y}\Rightarrow\mathrm{log}_{\mathrm{2}} \mathrm{5}=\mathrm{xy}…

Question Number 13034 by FilupS last updated on 12/May/17 $$\mathrm{MrW}1$$$$$$$$\mathrm{Before}\mathrm{we}\mathrm{concluded}\mathrm{that}:$$$$\mathrm{\Phi }=\underset{x=0}{\sum ^m}\underset{y=0}{\sum ^n}(1-\mathrm{sgn}(x-x^{\prime }))$$$$$$$$\mathrm{If}\:\mathrm{you}\:\mathrm{do}: \…

Question Number 144106 by mathdanisur last updated on 21/Jun/21 $$\underset{x\to \mathrm{\infty }}{lim}\frac{4^{x-2}+3^x+2^x}{4^{x-1}+3^{x+1}}=?$$ Commented by bobhans last updated on 22/Jun/21…