Category: Algebra

Question Number 129832 by ajfour last updated on 19/Jan/21 Commented by ajfour last updated on 19/Jan/21 $$Ifp,q,rarerootsofy=x^3-x-c$$$$thenfindporqorr,withthe$$$$helpofs.$$ Commented…

Question Number 64187 by Hope last updated on 15/Jul/19 Answered by Hope last updated on 15/Jul/19 $$\frac{yz}{xyz}+\frac{4zx}{xyz}+\frac{9xy}{xyz}$$$$\frac{1^2}{x}+\frac{2^2}{y}+\frac{3^2}{z}⩾\frac{{(1+2+3)}^2}{(x+y+z)}$$$$\frac{\mathrm{1}^{\mathrm{2}}…

Question Number 64185 by Hope last updated on 15/Jul/19 Commented by Hope last updated on 15/Jul/19 $$allquestionbasedonTito-lemmainequality$$ Commented by Tony Lin last updated…

Question Number 129687 by ajfour last updated on 17/Jan/21 $$x^3-x-c=0$$$$(solveforxevenif0<c<\frac{2}{3\sqrt{3}})$$ Answered by ajfour last updated on 18/Jan/21 $$JustnowIdevelopedanew$$$${approximate}\:{formula}:…

Question Number 64130 by ANTARES VY last updated on 14/Jul/19 $$\sqrt{4\mathbf{x}+\frac{12}{\mathbf{x}}}=\frac{{\mathbf{x}}^2+7}{\mathbf{x}+1}$$$$\mathbf{x}=?$$ Commented by Prithwish sen last updated on 14/Jul/19 $$\mathrm{x}=\:\mathrm{1},\mathrm{1},\mathrm{3}\:\mathrm{and}\:\frac{−\mathrm{1}\pm\mathrm{15i}}{\mathrm{2}}…