Question Number 186453 by norboyev last updated on 04/Feb/23 $$\frac{\mathrm{1}}{\mathrm{1}+\mathrm{2}}+\frac{\mathrm{1}}{\mathrm{1}+\mathrm{2}+\mathrm{3}}+\frac{\mathrm{1}}{\mathrm{1}+\mathrm{2}+\mathrm{3}+\mathrm{4}}+…+\frac{\mathrm{1}}{\mathrm{1}+\mathrm{2}+\mathrm{3}+…+\mathrm{10}}=? \\ $$ Answered by ARUNG_Brandon_MBU last updated on 04/Feb/23 $${S}=\frac{\mathrm{1}}{\mathrm{1}+\mathrm{2}}+\frac{\mathrm{1}}{\mathrm{1}+\mathrm{2}+\mathrm{3}}+\frac{\mathrm{1}}{\mathrm{1}+\mathrm{2}+\mathrm{3}+\mathrm{4}}+\centerdot\centerdot\centerdot+\frac{\mathrm{1}}{\mathrm{1}+\mathrm{2}+\mathrm{3}+\centerdot\centerdot\centerdot+\mathrm{10}} \\ $$$$\:\:\:=\underset{{n}=\mathrm{2}} {\overset{\mathrm{10}} {\sum}}\frac{\mathrm{1}}{\underset{{k}=\mathrm{1}} {\overset{{n}}…
Question Number 120914 by SOMEDAVONG last updated on 04/Nov/20 $$\mathrm{L}/.\underset{{x}\rightarrow\frac{\pi}{\mathrm{4}}} {\mathrm{lim}}\frac{\frac{\mathrm{1}}{\mathrm{cos}^{\mathrm{2}} \mathrm{x}}\:−\:\mathrm{2tanx}}{\mathrm{cos2x}}\:\:=\:? \\ $$ Answered by bemath last updated on 04/Nov/20 $$\:\underset{{x}\rightarrow\pi/\mathrm{4}} {\mathrm{lim}}\:\frac{\mathrm{sec}\:^{\mathrm{2}} \mathrm{x}−\mathrm{2tan}\:\mathrm{x}}{\mathrm{cos}\:\mathrm{2x}} \\…
Question Number 186447 by javad812 last updated on 04/Feb/23 Commented by aleks041103 last updated on 04/Feb/23 $${unclear}\:{question}… \\ $$$${what}\:{are}\:{we}\:{supposed}\:{to}\:{minimize}? \\ $$$${what}\:{are}\:{h}\:{and}\:{g}? \\ $$ Terms of…
Question Number 186441 by Rupesh123 last updated on 04/Feb/23 Commented by Frix last updated on 04/Feb/23 $${t}=\mathrm{10084} \\ $$$$\mathrm{3}\left({t}^{\mathrm{2}} −\mathrm{4}\right)=\mathrm{17466}^{\mathrm{2}} =\mathrm{305061156} \\ $$ Answered by…
Question Number 55362 by Hassen_Timol last updated on 22/Feb/19 Commented by tanmay.chaudhury50@gmail.com last updated on 22/Feb/19 $${pls}\:{check}\:\:\:{the}\:{sentence}\:{moving}\:\mathrm{30}^{{o}} \:{east}\:{etc} \\ $$ Answered by mr W last…
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Question Number 55333 by Otchere Abdullai last updated on 21/Feb/19 $${The}\:{sum}\:{of}\:{all}\:{but}\:{one}\:{of}\:{the}\:{interior} \\ $$$${angles}\:{of}\:{a}\:{convex}\:{polygon}\:{equals}\: \\ $$$$\mathrm{2525}°\:.\:{find}\:{the}\:{measure}\:{of}\:{the} \\ $$$${exterior}\:{angle}\:{adjacent}\:{to}\:{the} \\ $$$${remaining}\:{interior}\:{angle}.\: \\ $$$${can}\:{you}\:{please}\:{help}\:{if}\:{possible}\:{with} \\ $$$${diagram}\: \\ $$…
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Question Number 55323 by Kunal12588 last updated on 21/Feb/19 Commented by Kunal12588 last updated on 21/Feb/19 Commented by Kunal12588 last updated on 21/Feb/19 $${is}\:{this}\:{correct}\:{sir} \\…
Question Number 55316 by Kunal12588 last updated on 21/Feb/19 Commented by Kunal12588 last updated on 21/Feb/19 $${pls}\:{help}\:{me}\:{i}\:{found}\:\mathrm{2519}\:{but}\:{don}'{t}\:{know}\:{is}\:{this}\: \\ $$$${smallest}.\:{also}\:{it}\:{takes}\:\mathrm{2}\:{hrs}\:{for}\:{me} \\ $$$$\:{every}\:{answers}\:{are}\:{welcome} \\ $$ Answered by…