Question Number 157332 by cortano last updated on 22/Oct/21 Answered by Rasheed.Sindhi last updated on 22/Oct/21 $$\mathrm{6}{x}−{y}=\mathrm{7}{m}\Rightarrow{y}=\mathrm{6}{x}−\mathrm{7}{m} \\ $$$${P}\left({x}\right)=\mathrm{54}{x}^{\mathrm{2}} +\mathrm{3}{xy}−\mathrm{2}{y}^{\mathrm{2}} +{z}+\mathrm{2021} \\ $$$$=\mathrm{54}{x}^{\mathrm{2}} +\mathrm{3}{x}\left(\mathrm{6}{x}−\mathrm{7}{m}\right)−\mathrm{2}\left(\mathrm{6}{x}−\mathrm{7}{m}\right)^{\mathrm{2}} +{z}+\mathrm{2021}…
Question Number 26250 by Chuks” last updated on 23/Dec/17 $${someone}\:{should}\:{help}\:{witb}\:{solution}\:{please} \\ $$$${x}^{\mathrm{3}} +{y}^{\mathrm{3}} =\mathrm{3}{x}^{\mathrm{2}} −\mathrm{6}{x}−\mathrm{3}{y}+\mathrm{4} \\ $$$${x}^{\mathrm{2}} −{y}^{\mathrm{2}} −\mathrm{6}{x}+{y}−\mathrm{10}=\sqrt{\left({y}+\mathrm{5}\right)}−\sqrt{\left(\mathrm{4}{x}+{y}\right)} \\ $$ Answered by jota@ last…
Question Number 91786 by john santu last updated on 03/May/20 $${repost}\:{question}\:{from} \\ $$$${mr}\:{jagoll} \\ $$$$\begin{cases}{\mathrm{2}+\mathrm{6}{y}\:=\:\frac{{x}}{{y}}−\sqrt{{x}−\mathrm{2}{y}}}\\{\sqrt{{x}+\sqrt{{x}−\mathrm{2}{y}}}\:=\:{x}+\mathrm{3}{y}−\mathrm{2}\:}\end{cases} \\ $$ Commented by john santu last updated on 03/May/20…
Question Number 157323 by MathSh last updated on 22/Oct/21 $$\mathrm{Prove}\:\mathrm{that}: \\ $$$$\Psi_{\mathrm{1}} \left(\frac{\mathrm{1}}{\mathrm{8}}\right)\:+\:\Psi_{\mathrm{2}} \left(\frac{\mathrm{5}}{\mathrm{8}}\right)\:=\:\mathrm{32G}\:+\:\mathrm{4}\pi^{\mathrm{2}} \\ $$$$\Psi-\mathrm{trigamma}\:\mathrm{function} \\ $$$$\mathrm{G}-\mathrm{catalan}\:\mathrm{constant} \\ $$ Answered by mindispower last updated…
Question Number 26235 by ajfour last updated on 22/Dec/17 $${Find}\:{the}\:{real}\:{root}\:{of} \\ $$$$\:{x}^{\mathrm{2}} +\frac{\mathrm{1}}{{x}}={c}\:. \\ $$ Answered by mrW1 last updated on 22/Dec/17 $${x}\neq\mathrm{0} \\ $$$${x}^{\mathrm{3}}…
Question Number 26229 by ktomboy1992 last updated on 22/Dec/17 $$\mathrm{after}\:\mathrm{factorise}\:\left(\mathrm{x2}+\mathrm{2x}+\mathrm{1}\right)\mathrm{we}\:\mathrm{get} \\ $$ Commented by Rasheed.Sindhi last updated on 22/Dec/17 $$\mathrm{x}^{\mathrm{2}} +\mathrm{2x}+\mathrm{1}=\left(\mathrm{x}+\mathrm{1}\right)^{\mathrm{2}} \\ $$ Answered by…
Question Number 26227 by ktomboy1992 last updated on 23/Dec/17 $$\mathrm{if}\:\mathrm{x}^{\mathrm{2}} +\frac{\mathrm{1}}{\mathrm{x}^{\mathrm{2}} }=\mathrm{98}\:\mathrm{find}\:\mathrm{x}^{\mathrm{3}} +\frac{\mathrm{1}}{\mathrm{x}^{\mathrm{3}} } \\ $$ Answered by $@ty@m last updated on 22/Dec/17 $${x}^{\mathrm{2}} +\frac{\mathrm{1}}{{x}^{\mathrm{2}}…
Question Number 26228 by ktomboy1992 last updated on 23/Dec/17 $$\mathrm{if}\:\mathrm{x}^{\mathrm{4}} +\frac{\mathrm{1}}{\mathrm{x}^{\mathrm{4}} }=\mathrm{322}\:\mathrm{find}\:\mathrm{x}^{\mathrm{3}} −\frac{\mathrm{1}}{\mathrm{x}^{\mathrm{3}} } \\ $$ Commented by kaivan.ahmadi last updated on 22/Dec/17 $$\mathrm{x}^{\mathrm{4}} +\frac{\mathrm{1}}{\mathrm{x}^{\mathrm{4}}…
Question Number 26224 by ktomboy1992 last updated on 22/Dec/17 $$\mathrm{find}\:\mathrm{the}\:\mathrm{value}\:\mathrm{of}\:\mathrm{x}−\frac{\mathrm{1}}{\mathrm{x}}.\mathrm{when}\:{x}^{\mathrm{4}} +\frac{\mathrm{1}}{\mathrm{x}^{\mathrm{4}} }=\mathrm{332} \\ $$ Commented by kaivan.ahmadi last updated on 22/Dec/17 $$\mathrm{x}^{\mathrm{4}} +\frac{\mathrm{1}}{\mathrm{x}^{\mathrm{4}} }=\left(\mathrm{x}^{\mathrm{2}} +\frac{\mathrm{1}}{\mathrm{x}^{\mathrm{2}}…
Question Number 26218 by Absa raj last updated on 22/Dec/17 $$\underset{\mathrm{2}} {\overset{\mathrm{4}} {\int}}\mathrm{sin}\theta\:{d}\theta \\ $$ Commented by abdo imad last updated on 22/Dec/17 $$\int_{\mathrm{2}} ^{\mathrm{4}}…