Question Number 112360 by bemath last updated on 07/Sep/20 $$\:\:\:\left(\frac{\mathrm{x}^{\mathrm{3}} +\mathrm{x}}{\mathrm{3}}\right)^{\mathrm{3}} +\left(\frac{\mathrm{x}^{\mathrm{3}} +\mathrm{x}}{\mathrm{3}}\right)=\:\mathrm{3x}\: \\ $$ Commented by john santu last updated on 07/Sep/20 $$\frac{\left({x}^{\mathrm{3}} +{x}\right)^{\mathrm{3}}…
Question Number 177873 by mr W last updated on 10/Oct/22 $${solve}\:{for}\:{x}\in\mathbb{R} \\ $$$$\sqrt{\mathrm{3}+\sqrt{\mathrm{3}+\sqrt{\mathrm{3}+\sqrt{\mathrm{3}+\sqrt{\mathrm{3}+{x}}}}}}={x} \\ $$ Answered by Frix last updated on 10/Oct/22 $$\mathrm{for}\:\mathrm{given}\:{a}\geqslant\mathrm{0}\:\mathrm{we}\:\mathrm{need}\:{x}\:\mathrm{so}\:\mathrm{that} \\ $$$$\sqrt{{a}+{x}}={x}\:\Rightarrow\:{x}=\frac{\mathrm{1}+\sqrt{\mathrm{4}{a}+\mathrm{1}}}{\mathrm{2}}…
Question Number 177865 by Spillover last updated on 10/Oct/22 Answered by Spillover last updated on 11/Oct/22 Answered by Spillover last updated on 11/Oct/22 Terms of…
Question Number 177867 by Spillover last updated on 10/Oct/22 Answered by Spillover last updated on 11/Oct/22 Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 177866 by Spillover last updated on 10/Oct/22 Answered by Spillover last updated on 11/Oct/22 Answered by Spillover last updated on 11/Oct/22 Terms of…
Question Number 177856 by mathlove last updated on 10/Oct/22 $${p}\left({x}\right)+{p}\left({x}−\mathrm{1}\right)=\mathrm{2}{x}+\mathrm{4} \\ $$$${p}\left({x}\right)=? \\ $$ Answered by blackmamba last updated on 10/Oct/22 $$\:\:{p}\left({x}\right)={ax}+{b}\: \\ $$$$\:\:{p}\left({x}−\mathrm{1}\right)={a}\left({x}−\mathrm{1}\right)+{b}={ax}+{b}−{a} \\…
Question Number 46785 by Tawa1 last updated on 31/Oct/18 $$\mathrm{Solve}\:\mathrm{the}\:\mathrm{system}: \\ $$$$\:\:\:\:\:\:\:\:\:\mathrm{x}\:+\:\mathrm{y}\:+\:\mathrm{z}\:=\:\mathrm{30}\:\:\:\:\:\:\:\:\:…..\:\mathrm{equation}\:\left(\mathrm{i}\right) \\ $$$$\:\:\:\:\:\:\:\:\frac{\mathrm{x}}{\mathrm{3}}\:+\:\frac{\mathrm{y}}{\mathrm{2}}\:+\:\mathrm{2z}\:\:=\:\:\mathrm{30}\:\:\:\:\:……\:\mathrm{equation}\:\left(\mathrm{ii}\right) \\ $$$$\:\:\:\:\:\:\:\: \\ $$ Answered by MJS last updated on 31/Oct/18…
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Question Number 177822 by cortano1 last updated on 09/Oct/22 $$\:\:\:\mathrm{what}\:\mathrm{is}\:\mathrm{coefficient}\:\mathrm{of}\:\mathrm{x}^{\mathrm{2}} \:\mathrm{in}\: \\ $$$$\:\:\:\left(\mathrm{1}−\mathrm{x}\right)\left(\mathrm{1}+\mathrm{2x}\right)\left(\mathrm{1}−\mathrm{3x}\right)\left(\mathrm{1}+\mathrm{4x}\right)\left(\mathrm{1}−\mathrm{5x}\right) \\ $$$$\:\:\:\:…\:\left(\mathrm{1}+\mathrm{14x}\right)\left(\mathrm{1}−\mathrm{15x}\right)\:? \\ $$ Commented by mr W last updated on 10/Oct/22…
Question Number 112280 by bemath last updated on 07/Sep/20 $$\:\:\mathrm{If}\:\mathrm{15}\:\leqslant\:\mid\mathrm{10}−\frac{\mathrm{1}}{\mathrm{3}}\mathrm{a}\mid\:<\:\mathrm{20}\: \\ $$$$\mathrm{find}\:\mathrm{a}\:\in\:\mathbb{R} \\ $$ Answered by john santu last updated on 07/Sep/20 $$\Rightarrow\:\mid\mathrm{10}−\frac{\mathrm{1}}{\mathrm{3}}{a}\mid\:\geqslant\mathrm{15}\:\wedge\:\mid\mathrm{10}−\frac{\mathrm{1}}{\mathrm{3}}{a}\mid\:<\:\mathrm{20} \\ $$$$\left(\mathrm{1}\right)\:\mid\mathrm{10}−\frac{\mathrm{1}}{\mathrm{3}}{a}\mid\:\geqslant\:\mathrm{15}\:…