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Category: Algebra

Solve-for-x-5-log-4-x-48-log-x-4-x-8-

Question Number 34533 by tawa tawa last updated on 07/May/18 $$\mathrm{Solve}\:\mathrm{for}\:\:\mathrm{x}\::\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\mathrm{5}\:\mathrm{log}_{\mathrm{4}} \mathrm{x}\:\:\:+\:\:\:\mathrm{48}\:\mathrm{log}_{\mathrm{x}} \mathrm{4}\:\:\:\:=\:\:\:\:\frac{\mathrm{x}}{\mathrm{8}} \\ $$ Commented by tawa tawa last updated on 08/May/18 $$\mathrm{yes}\:\mathrm{sir}. \\…

6x-5-2-35-3x-2-5x-2-

Question Number 165562 by cortano1 last updated on 04/Feb/22 $$\:\:\left(\mathrm{6}{x}+\mathrm{5}\right)^{\mathrm{2}} =\frac{\mathrm{35}}{\mathrm{3}{x}^{\mathrm{2}} +\mathrm{5}{x}+\mathrm{2}} \\ $$ Answered by som(math1967) last updated on 04/Feb/22 $$\left(\mathrm{6}{x}+\mathrm{5}\right)^{\mathrm{2}} =\frac{\mathrm{35}×\mathrm{12}}{\mathrm{36}{x}^{\mathrm{2}} +\mathrm{60}{x}+\mathrm{24}} \\…

Question-165532

Question Number 165532 by mathlove last updated on 03/Feb/22 Answered by amin96 last updated on 03/Feb/22 $$\boldsymbol{\mathrm{S}}=\underset{\boldsymbol{\mathrm{n}}=\mathrm{2}} {\overset{\infty} {\sum}}\frac{\mathrm{1}}{\boldsymbol{\mathrm{n}}^{\mathrm{2}} −\mathrm{1}}=\underset{\boldsymbol{\mathrm{n}}=\mathrm{2}} {\overset{\infty} {\sum}}\frac{\mathrm{1}}{\left(\boldsymbol{\mathrm{n}}−\mathrm{1}\right)\left(\boldsymbol{\mathrm{n}}+\mathrm{1}\right)}= \\ $$$$=\frac{\mathrm{1}}{\mathrm{2}}\underset{\boldsymbol{\mathrm{n}}=\mathrm{2}} {\overset{\infty}…

Question-165505

Question Number 165505 by mathlove last updated on 02/Feb/22 Answered by TheSupreme last updated on 02/Feb/22 $$\underset{{i}=\mathrm{0}} {\overset{{n}} {\sum}}\left({n}−{i}\right){e}^{{i}} ={n}\frac{\mathrm{1}−{e}^{{n}+\mathrm{1}} }{\mathrm{1}−{e}}−\Sigma{ie}^{{i}} = \\ $$$$={n}\frac{\mathrm{1}−{e}^{{n}+\mathrm{1}} }{\mathrm{1}−{e}}−\frac{\mathrm{1}}{{e}}\Sigma{D}\left({e}^{{i}}…