Category: Algebra

Question Number 120839 by bramlexs22 last updated on 03/Nov/20 Answered by mindispower last updated on 03/Nov/20 $$x\in \mathbb{Z}-\left\{1\right\}$$$$\Rightarrow \underset{k=2}{\sum ^{x-1}}\frac{x-k}{x-1}=5$$$$\Rightarrow \left(\frac{x-2+1}{x-1}\right)\left(\frac{x-2}{2}\right)=5$$$$\Rightarrow\mathrm{10}\left({x}−\mathrm{1}\right)=\left({x}−\mathrm{2}\right)\left({x}−\mathrm{1}\right)=\mathrm{0}…

Question Number 55284 by Mikael_Marshall last updated on 20/Feb/19 $$5^{x-2}-5^x+5^{x+1}=505$$ Commented by Kunal12588 last updated on 20/Feb/19 $$\left(\mathrm{5}^{{x}} ×\mathrm{5}^{−\mathrm{2}} \right)−\mathrm{5}^{{x}}…

Question Number 186329 by ajfour last updated on 03/Feb/23 Answered by ajfour last updated on 03/Feb/23 $$Cubiccurve:y=x^3-x$$$$Parabola:x=h+{(y-k)}^2$$$$x=h+{(p-k)}^2$$$${p}^{\mathrm{3}} −{p}={c}…

Question Number 186330 by Rupesh123 last updated on 03/Feb/23 Commented by MJS_new last updated on 03/Feb/23 $$2$$ Terms of Service Privacy Policy Contact:…

Question Number 186305 by mustafazaheen last updated on 03/Feb/23 $$\log \left(\frac{3.\overline{2}}{3.\overline{1}}\right)find\mathrm{Characteristic}?$$ Commented by MJS_new last updated on 03/Feb/23 $$\frac{3+\frac{2}{9}}{3+\frac{1}{9}}=\frac{29}{28}=\frac{29}{2^{2}7}$$$$\mathrm{log}\:\frac{\mathrm{29}}{\mathrm{2}^{\mathrm{2}}…