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Question Number 180407 by CrispyXYZ last updated on 12/Nov/22 $${f}\left({x}−{y}\right)+{f}\left({x}+{y}\right)={f}\left({x}\right){f}\left({y}\right) \\ $$$$\mathrm{find}\:{f}\left({x}\right) \\ $$ Answered by mahdipoor last updated on 12/Nov/22 $${x}=\mathrm{0}\:\:\:{y}=\mathrm{0}\:\Rightarrow \\ $$$${f}\left(\mathrm{0}\right)+{f}\left(\mathrm{0}\right)={f}\left(\mathrm{0}\right){f}\left(\mathrm{0}\right)\:\Rightarrow{f}\left(\mathrm{0}\right)=\mathrm{0}\:\:{or}\:\:\mathrm{2} \\…
Question Number 49331 by rahul 19 last updated on 05/Dec/18 $${Find}\:: \\ $$$${arg}\left(\:\frac{\left(\mathrm{2}\sqrt{\mathrm{3}}+\mathrm{2}{i}\right)^{\mathrm{8}} }{\left(\mathrm{1}−{i}\right)^{\mathrm{6}} }\:\:+\:\frac{\left(\mathrm{1}+{i}\right)^{\mathrm{6}} }{\left(\mathrm{2}\sqrt{\mathrm{3}}−\mathrm{2}{i}\right)^{\mathrm{8}} }\right)\:? \\ $$ Commented by maxmathsup by imad last…
Question Number 180396 by nadovic last updated on 11/Nov/22 $$\mathrm{The}\:\mathrm{difference}\:\mathrm{between}\:\mathrm{the}\:\mathrm{ages}\:\mathrm{of} \\ $$$$\mathrm{Sammy}\:\mathrm{and}\:\mathrm{Cindy}\:\mathrm{is}\:\mathrm{half}\:\mathrm{the}\: \\ $$$$\mathrm{difference}\:\mathrm{between}\:\mathrm{the}\:\mathrm{ages}\:\mathrm{of}\: \\ $$$$\mathrm{their}\:\mathrm{parents}.\:\mathrm{Their}\:\mathrm{father}\:\mathrm{is}\:\mathrm{6} \\ $$$$\mathrm{years}\:\mathrm{older}\:\mathrm{than}\:\mathrm{twice}\:\mathrm{the}\:\mathrm{age}\:\mathrm{of}\: \\ $$$$\mathrm{Cindy}.\:\mathrm{Their}\:\mathrm{mother}\:\mathrm{is}\:\mathrm{twice}\:\mathrm{as}\:\mathrm{old} \\ $$$$\mathrm{as}\:\mathrm{Cindy}\:\mathrm{and}\:\mathrm{12}\:\mathrm{years}\:\mathrm{older}\:\mathrm{than}\: \\ $$$$\mathrm{Sammy}.\:\mathrm{By}\:\mathrm{how}\:\mathrm{many}\:\mathrm{years}\:\mathrm{is}\: \\…
Question Number 180391 by Shrinava last updated on 11/Nov/22 $$\mathrm{y}\:=\:\mathrm{x}\:−\:\frac{\mathrm{2}}{\mathrm{x}} \\ $$$$\mathrm{Find}\:\mathrm{the}\:\mathrm{set}\:\mathrm{of}\:\mathrm{values}\:\mathrm{of}\:\mathrm{the}\:\mathrm{function}. \\ $$ Commented by Shrinava last updated on 11/Nov/22 $$\mathrm{Answer}:\:\:\left(−\infty\:;\:+\infty\right) \\ $$ Answered…
Question Number 180381 by Linton last updated on 11/Nov/22 $$\sqrt{\frac{\mathrm{8}^{\mathrm{12}} +\mathrm{4}^{\mathrm{13}} }{\mathrm{8}^{\mathrm{6}} +\mathrm{4}^{\mathrm{14}} }} \\ $$ Answered by floor(10²Eta[1]) last updated on 11/Nov/22 $$\sqrt{\frac{\mathrm{2}^{\mathrm{36}} +\mathrm{2}^{\mathrm{26}}…
Question Number 49279 by Tawa1 last updated on 05/Dec/18 Commented by MJS last updated on 05/Dec/18 $${x}−\mathrm{4}={u} \\ $$$$\mathrm{2}{x}−\mathrm{5}={v} \\ $$$${u}^{\mathrm{2017}} +{u}^{\mathrm{2015}} +{u}=−\left({v}^{\mathrm{2017}} +{v}^{\mathrm{2015}} +{v}\right)…
Question Number 180351 by MikeH last updated on 10/Nov/22 $$\mathrm{solve}\:\mathrm{the}\:\mathrm{differential}\:\mathrm{equation}\:\:{y}''\:+\mathrm{2}\:{y}'\:+\:{y}\:=\:\mathrm{0} \\ $$$$\mathrm{using}\:\mathrm{power}\:\mathrm{series}\:\mathrm{method}\:\mathrm{that}\:\mathrm{is},\:\mathrm{assume} \\ $$$${y}\:=\:\underset{{n}=\mathrm{0}} {\overset{\infty} {\sum}}{c}_{{n}} {x}^{{n}} \:\mathrm{is}\:\mathrm{a}\:\mathrm{solution} \\ $$ Terms of Service Privacy Policy…
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