Question Number 125471 by ZiYangLee last updated on 11/Dec/20 $$\mathrm{Find}\:\mathrm{all}\:\mathrm{the}\:\mathrm{values}\:\mathrm{of}\:{n}\:\mathrm{such}\:\mathrm{that} \\ $$$$\mathrm{5}^{{n}} +\mathrm{1}\:\mathrm{is}\:\mathrm{divisble}\:\mathrm{by}\:\mathrm{7}. \\ $$ Answered by MJS_new last updated on 11/Dec/20 $$\mathrm{try}\:\mathrm{for}\:\mathrm{the}\:\mathrm{first}\:\mathrm{few}\:{n}\:\Rightarrow\:{n}=\mathrm{3}+\mathrm{6}{n} \\ $$…
Question Number 191007 by sciencestudentW last updated on 16/Apr/23 $${which}\:{quantities}\:{is}\:{the}\:{preassure}? \\ $$$${scalar}\:\:{or}\:{vector}? \\ $$ Commented by mr W last updated on 16/Apr/23 $${someone}\:{who}\:{repeatly}\:{wants}\:{other}\: \\ $$$${people}\:{to}\:{give}\:{him}\:{fish}\:{but}\:{refuses}…
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Question Number 125464 by Mathgreat last updated on 11/Dec/20 Commented by Mathgreat last updated on 11/Dec/20 $$….. \\ $$ Terms of Service Privacy Policy Contact:…
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Question Number 125465 by shaker last updated on 11/Dec/20 Answered by john_santu last updated on 11/Dec/20 $$\:{f}\:'\left(\frac{\mathrm{1}}{\mathrm{2}}\right) \\ $$ Commented by mathmax by abdo last…
Question Number 125462 by mnjuly1970 last updated on 11/Dec/20 $$\:\:\:\:\:\:\:\:\:\:\:\:\:…\:\clubsuit{advanced}\:\:{calculus}\clubsuit… \\ $$$$\:\:\:\blacklozenge\blacklozenge\:{prove}\:{that}: \\ $$$$\:\:\:\:\:\mathrm{I}=\int_{\mathrm{1}} ^{\:\infty} \frac{\left({t}^{\mathrm{4}} −\mathrm{6}{t}^{\mathrm{2}} +\mathrm{1}\right){ln}\left({ln}\left({t}\right)\right)}{\left(\mathrm{1}+{t}^{\mathrm{2}} \right)^{\mathrm{3}} }{dt}=\frac{\mathrm{2G}}{\pi} \\ $$$$\:\:\mathrm{G}\::\:\:{catalan}\:\:{constant}… \\ $$ Answered…
Question Number 190996 by cortano12 last updated on 16/Apr/23 $$\:\:\:\mathrm{If}\:\underset{{x}\rightarrow\mathrm{3}} {\mathrm{lim}}\:\frac{\sqrt{\mathrm{3x}}−\mathrm{3}}{\:\sqrt{\mathrm{2x}−\mathrm{4}}−\sqrt{\mathrm{2}}}\:=\:\mathrm{A} \\ $$$$\:\:\:\mathrm{and}\underset{{x}\rightarrow\mathrm{3}} {\mathrm{lim}}\:\frac{\sqrt{\mathrm{3x}}+\mathrm{x}−\mathrm{6}}{\:\sqrt{\mathrm{4x}−\mathrm{8}}+\mathrm{1}−\mathrm{x}}\:=\:\mathrm{pA} \\ $$$$\:\:\:\mathrm{then}\:\mathrm{p}\:=?\: \\ $$ Commented by mustafazaheen last updated on 16/Apr/23…
Question Number 59926 by rahul 19 last updated on 16/May/19 Commented by rahul 19 last updated on 16/May/19 $$\mathrm{5},\mathrm{6}. \\ $$ Answered by tanmay last…
Question Number 125460 by john_santu last updated on 11/Dec/20 $$\:{In}\:{a}\:{room}\:{containing}\:{N}\:{people} \\ $$$${N}>\mathrm{3},\:{at}\:{least}\:{one}\:{person}\:{has}\:{not} \\ $$$${shaken}\:{hands}\:{with}\:{everyone} \\ $$$${else}\:{in}\:{the}\:{room}.\:{What}\:{is}\:{the}\: \\ $$$${maximum}\:{number}\:{of}\:{people}\: \\ $$$${in}\:{the}\:{room}\:{that}\:{could}\:{have}\: \\ $$$${shaken}\:{hands}\:{with}\:{everyone}\: \\ $$$${else}?\: \\…