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Category: Algebra

f-4-5-f-5-7-g-5-3-g-7-4-f-g-5-

Question Number 168424 by mathlove last updated on 10/Apr/22 $${f}\left(\mathrm{4}\right)=\mathrm{5}\:\:\:\:\:\:\:\:\:{f}\left(\mathrm{5}\right)=\mathrm{7} \\ $$$${g}\left(\mathrm{5}\right)=\mathrm{3}\:\:\:\:\:\:\:\:\:{g}\left(\mathrm{7}\right)=\mathrm{4} \\ $$$${f}\left({g}\left(\mathrm{5}\right)\right)=? \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com

Question-37324

Question Number 37324 by behi83417@gmail.com last updated on 11/Jun/18 Commented by math khazana by abdo last updated on 12/Jun/18 $$\left.{b}\right)\:\frac{\sqrt{\mathrm{1}+{x}}}{\mathrm{1}+\sqrt{{x}}}={x}\:\Rightarrow\:\sqrt{\mathrm{1}+{x}}\:={x}\left(\mathrm{1}+\sqrt{{x}}\right)\:{with}\:{x}\geqslant\mathrm{0}{if}\:{x}\:{real} \\ $$$$\mathrm{1}+{x}\:={x}^{\mathrm{2}} \left(\mathrm{1}+\mathrm{2}\sqrt{{x}}\:+{x}\right)\:\Rightarrow\mathrm{1}+{x}={x}^{\mathrm{3}\:} +{x}^{\mathrm{2}} \:+\mathrm{2}{x}^{\mathrm{2}}…

x-2-4-x-6-3-1-x-

Question Number 168335 by vbr last updated on 08/Apr/22 $$\frac{{x}}{\mathrm{2}}+\mathrm{4}\sqrt{{x}\:}+\mathrm{6}+\mathrm{3}+\mathrm{1}={x} \\ $$ Answered by Rasheed.Sindhi last updated on 08/Apr/22 $$\frac{{x}}{\mathrm{2}}+\mathrm{4}\sqrt{{x}\:}+\mathrm{10}={x} \\ $$$${x}+\mathrm{8}\sqrt{{x}}\:+\mathrm{20}=\mathrm{2}{x} \\ $$$$\mathrm{8}\sqrt{{x}}\:+\mathrm{20}={x} \\…