Category: Algebra

Question Number 59549 by hhghg last updated on 11/May/19 $$\frac{1}{5}\times \mathrm{i}\mathrm{i}=7$$ Answered by ajfour last updated on 11/May/19 $$11\mathrm{i}=35$$$$\mathrm{i}=\frac{35}{11}$$ Commented…

Question Number 190611 by a.lgnaoui last updated on 07/Apr/23 $$\mathrm{Montrer}\mathrm{que}:$$$$1\bullet {\mathbf{c}}^2={\mathbf{a}}^2+{\mathbf{b}}^2$$$$2\bullet \mathrm{rayon}\mathbf{r}=\frac{\mathbf{c}}{1+\sqrt{2}}-\frac{\mathbf{a}+\mathbf{b}}{2+\sqrt{2}}$$$$$$ Commented by a.lgnaoui last updated…

Question Number 59499 by MathGuru last updated on 11/May/19 Commented by maxmathsup by imad last updated on 11/May/19 $$wehave{x}^2-3x=x(x-3)and2x-6=2(x-3)and$$$${x}^{\mathrm{2}} −\mathrm{5}{x}\:+\mathrm{6}\:={x}^{\mathrm{2}} −\mathrm{9}\:−\mathrm{5}{x}\:+\mathrm{15}\:=\left({x}−\mathrm{3}\right)\left({x}+\mathrm{3}\right)\:−\mathrm{5}\left({x}−\mathrm{3}\right)=\left({x}−\mathrm{3}\right)\left({x}−\mathrm{2}\right)\:{so} \…

Question Number 190536 by cortano12 last updated on 05/Apr/23 $$\mathrm{If}\mathrm{p},\mathrm{q}\mathrm{and}\mathrm{r}\mathrm{are}\mathrm{the}\mathrm{roots}\mathrm{of}\mathrm{equation}$$$${\mathrm{x}}^3-{3\mathrm{x}}^2+1=0\mathrm{then}\mathrm{find}\mathrm{the}\mathrm{value}$$$$\mathrm{of}\sqrt[3]{3\mathrm{p}-2}+\sqrt[3]{3\mathrm{q}-2}+\sqrt[3]{3\mathrm{r}-2}$$ Answered by Frix last updated on 05/Apr/23…

Question Number 190520 by mathlove last updated on 04/Apr/23 $$ifa,bandcrootofthe$$$$x^3-16x^2-57x+1=0$$$$thifindthdvolueof$$$$a^{\frac{1}{5}}+b^{\frac{1}{5}}+c^{\frac{1}{5}}=?$$ Answered by…