Question Number 173926 by mnjuly1970 last updated on 21/Jul/22 $$ \\ $$$$\:\:\:\:\:{Q}: \\ $$$$\:\:\:\:\:\:\:{a}_{\:{n}\:} \:\:{is}\:{an}\:{arithmatic}\:{sequence}. \\ $$$$\:\:\:\:\:\:\:\:\:\:{a}\:\left(\:{first}\:{term}\right)\:{and}\:\:{d}\:\left({difference}\:\right) \\ $$$$\:\:\:\:\:\:\:\:\:\:{such}\:{that}\:,\:\:{a}_{\:{a}} \:+\:{a}_{\:{d}} \:=\:{a}_{\:{ad}} \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:{find}\:\:\::\:\:\:\:{a}_{\:{n}} \:\:=? \\…
Question Number 173917 by Michaelfaraday last updated on 21/Jul/22 $${prove}: \\ $$$$\left(−\mathrm{1}\right)! \\ $$ Commented by Frix last updated on 21/Jul/22 $$\mathrm{I}\:\mathrm{promise}\:\mathrm{to}\:\mathrm{prove}\:\left(−\mathrm{1}\right)!\:\mathrm{if}\:\mathrm{you}\:\mathrm{prove}\:\frac{\pi}{\mathrm{7}}. \\ $$ Commented…
Question Number 173889 by a.lgnaoui last updated on 20/Jul/22 $${the}\:{anser}\:{is}\:{the}\:{folowing} \\ $$ Commented by a.lgnaoui last updated on 20/Jul/22 Terms of Service Privacy Policy Contact:…
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Question Number 173869 by mnjuly1970 last updated on 20/Jul/22 $$ \\ $$$$\:{If},\:\:\:\left(\:\frac{\sqrt{\mathrm{10}}\:+\sqrt{\mathrm{6}}+\mathrm{2}}{\:\sqrt{\mathrm{5}}\:−\sqrt{\mathrm{3}\:}\:+\:\sqrt{\mathrm{2}}}\:\right)^{\:\mathrm{2}} =\:{a}\:+\:\sqrt{{b}} \\ $$$$\:\:\:\:\:\:\:\:{then}.\:\:\:\:\:\:\:\:{a}\:\:,\:\:\:{b}\:=\:? \\ $$$$\:\:\:\:\:\:\:\:\: \\ $$ Commented by infinityaction last updated on…
Question Number 173871 by mathlove last updated on 20/Jul/22 $$\mathrm{2}^{{x}} \centerdot\mathrm{3}^{{y}} =\mathrm{4} \\ $$$$\mathrm{2}^{{y}} \centerdot\mathrm{3}^{{x}} =\mathrm{6}\:\:\:\:\:\:\:{prove}\:{that}\:\:{xy}={z}\left({z}+\mathrm{1}\right) \\ $$$$\mathrm{6}^{{z}} =\mathrm{2} \\ $$ Commented by dragan91 last…
Question Number 173864 by blackmamba last updated on 20/Jul/22 $$\:\:\:\:\sqrt{{x}}\:\geqslant\:\frac{{x}^{\mathrm{4}} −\mathrm{2}{x}^{\mathrm{3}} +\mathrm{2}{x}−\mathrm{1}}{{x}^{\mathrm{3}} −\mathrm{2}{x}^{\mathrm{2}} +\mathrm{2}{x}} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 108316 by bemath last updated on 16/Aug/20 $$\:\:\:\:\frac{\bigtriangledown\mathcal{B}{e}\mathcal{M}{ath}\bigtriangledown}{\bigtriangleup} \\ $$$${If}\:{x}^{\mathrm{4}} +{x}^{\mathrm{2}} \:=\:\frac{\mathrm{11}}{\mathrm{5}}\:,\:{find}\:{the}\:{value}\:{of} \\ $$$$\Omega\:=\:\sqrt[{\mathrm{3}}]{\frac{{x}+\mathrm{1}}{{x}−\mathrm{1}}}\:+\:\sqrt[{\mathrm{3}}]{\frac{{x}−\mathrm{1}}{{x}+\mathrm{1}}}\: \\ $$ Answered by bobhans last updated on 16/Aug/20…
Question Number 42776 by Tawa1 last updated on 02/Sep/18 $$\mathrm{Solve}:\:\:\:\:\:\mathrm{q}^{\mathrm{4}} \:−\:\mathrm{40q}^{\mathrm{2}} \:+\:\mathrm{q}\:+\:\mathrm{384}\:=\:\mathrm{0} \\ $$ Answered by MJS last updated on 02/Sep/18 $$\mathrm{I}\:\mathrm{found}\:\mathrm{no}\:\mathrm{useable}\:\mathrm{exact}\:\mathrm{solution} \\ $$$${q}_{\mathrm{1}} \approx−\mathrm{4}.\mathrm{95762}…