Category: Algebra

Question Number 141289 by ajfour last updated on 17/May/21 Commented by ajfour last updated on 17/May/21 $$x^3-x-c=0.Tofindexcess!$$ Answered by ajfour last updated…

Question Number 75753 by Emmanuel_N last updated on 16/Dec/19 $${(\frac{{({\mathrm{x}}^{1/3}+{\mathrm{x}}^{-1/3})}^2-2}{{({\mathrm{x}}^{1/3}+{\mathrm{x}}^{-1/3})}^2+2}-\mathrm{x})}^{3/4}$$ Answered by $@ty@m123 last updated on 16/Dec/19…

Question Number 10213 by konen last updated on 30/Jan/17 $$4\mathrm{a}-\mathrm{b}=60$$$$2\sqrt{\mathrm{a}}-\sqrt{\mathrm{b}}=6$$$$\Rightarrow \mathrm{a}+\mathrm{b}=?$$ Answered by nume1114 last updated on 30/Jan/17 $$\:\:\:\:\:\left(\mathrm{2}\sqrt{{a}}−\sqrt{{b}}\right)\left(\mathrm{2}\sqrt{{a}}+\sqrt{{b}}\right)=\mathrm{4}{a}−{b} \…

Question Number 10212 by konen last updated on 30/Jan/17 $$\mathrm{x}+\mathrm{y}=12$$$$\mathrm{x}\times \mathrm{y}=16$$$$\Rightarrow \sqrt{\frac{\mathrm{x}}{\mathrm{y}}}-\sqrt{\frac{\mathrm{y}}{\mathrm{x}}}=?$$ Answered by ridwan balatif last updated on 30/Jan/17 $$\mathrm{x}+\mathrm{y}=\mathrm{12}\rightarrow\mathrm{x}=\mathrm{12}−\mathrm{y}…\left(\ast\right)…

Question Number 75739 by Master last updated on 16/Dec/19 Commented by Master last updated on 16/Dec/19 $$\left[\mathrm{x}\right]-\mathrm{whole}\mathrm{part}$$ Answered by mr W last updated…