Question Number 154456 by puissant last updated on 18/Sep/21 $${S}=\mathrm{90}^{\mathrm{2}} +\mathrm{91}^{\mathrm{2}} +…..+\mathrm{100}^{\mathrm{2}} \:\:=\:\:?? \\ $$ Commented by Rasheed.Sindhi last updated on 18/Sep/21 $${S}=\left(\mathrm{1}^{\mathrm{2}} +\mathrm{2}^{\mathrm{2}} +…+\mathrm{100}^{\mathrm{2}}…
Question Number 23385 by paro123 last updated on 29/Oct/17 Commented by paro123 last updated on 29/Oct/17 $$\mathrm{8}.\left(\mathrm{ii}\right) \\ $$ Terms of Service Privacy Policy Contact:…
Question Number 154458 by mathdanisur last updated on 18/Sep/21 Answered by ARUNG_Brandon_MBU last updated on 18/Sep/21 $$\int\frac{{x}^{\mathrm{2}} }{\mathrm{sin}^{\mathrm{2}} {x}}{dx}=−{x}^{\mathrm{2}} \mathrm{cot}{x}+\mathrm{2}\int{x}\mathrm{cot}{xdx} \\ $$$$=−{x}^{\mathrm{2}} \mathrm{cot}{x}+\mathrm{2}{x}\mathrm{ln}\left(\mathrm{sin}{x}\right)−\mathrm{2}\int\mathrm{ln}\left(\mathrm{sin}{x}\right){dx} \\ $$$$\int_{\mathrm{0}}…
Question Number 88921 by M±th+et£s last updated on 13/Apr/20 $${find}\:{x},{y} \\ $$$${x}−\mathrm{2}{y}−\sqrt{{xy}}=\mathrm{0} \\ $$$$\sqrt{{x}−\mathrm{1}}−\sqrt{\mathrm{2}{y}−\mathrm{1}}=\mathrm{1} \\ $$ Answered by behi83417@gmail.com last updated on 14/Apr/20 $$\begin{cases}{\left(\mathrm{x}−\mathrm{2y}\right)^{\mathrm{2}} =\mathrm{xy}\Rightarrow\mathrm{x}^{\mathrm{2}}…
Question Number 88918 by mathocean1 last updated on 13/Apr/20 Commented by mathocean1 last updated on 13/Apr/20 Commented by mathocean1 last updated on 13/Apr/20 $$\mathrm{I}\:\mathrm{precise}\:\mathrm{that}\:\mathrm{f}\:\exists\:\forall\:\mathrm{x}\neq\frac{\mathrm{1}}{\mathrm{2}} \\…
Question Number 23381 by Tinkutara last updated on 29/Oct/17 $$\mathrm{A}\:\mathrm{women}\:\mathrm{swimming}\:\mathrm{upstream}\:\mathrm{is}\:\mathrm{not} \\ $$$$\mathrm{moving}\:\mathrm{with}\:\mathrm{respect}\:\mathrm{to}\:\mathrm{the}\:\mathrm{ground}.\:\mathrm{Is} \\ $$$$\mathrm{she}\:\mathrm{doing}\:\mathrm{any}\:\mathrm{work},\:\mathrm{if}\:\mathrm{she}\:\mathrm{stops} \\ $$$$\mathrm{swimming}\:\mathrm{and}\:\mathrm{merely}\:\mathrm{floats}\:\mathrm{is}\:\mathrm{work} \\ $$$$\mathrm{done}\:\mathrm{on}\:\mathrm{her}? \\ $$ Answered by ajfour last updated…
Question Number 154444 by Rasheed.Sindhi last updated on 18/Sep/21 Commented by Rasheed.Sindhi last updated on 18/Sep/21 $$\mathrm{Question}#\mathrm{154100}\:\:\mathrm{Reposted} \\ $$ Answered by Rasheed.Sindhi last updated on…
Question Number 154441 by talminator2856791 last updated on 18/Sep/21 $$\: \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\underset{{n}=\mathrm{1}} {\overset{\infty} {\prod}}\:\frac{\:\left(\mathrm{1}+\:\frac{\mathrm{1}}{{n}}\right)^{\mathrm{2}} \:}{\:\mathrm{1}+\:\frac{\mathrm{2}}{{n}}\:} \\ $$$$\: \\ $$ Commented by benhamimed last updated on…
Question Number 154440 by ArielVyny last updated on 18/Sep/21 $${arcsec}\left({sec}+\mathrm{2}\right)=?? \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 23369 by Tinkutara last updated on 29/Oct/17 $$\mathrm{Which}\:\mathrm{of}\:\mathrm{the}\:\mathrm{following}\:\mathrm{pair}\:\mathrm{would} \\ $$$$\mathrm{correct}\:\mathrm{inequality}\:\mathrm{for}\:\mathrm{standard}\:\mathrm{molar} \\ $$$$\mathrm{entropy}? \\ $$$$\left(\mathrm{1}\right)\:\mathrm{NO}\left(\mathrm{g}\right)\:<\:\mathrm{NO}_{\mathrm{2}} \left(\mathrm{g}\right) \\ $$$$\left(\mathrm{2}\right)\:\mathrm{C}_{\mathrm{2}} \mathrm{H}_{\mathrm{2}} \left(\mathrm{g}\right)\:>\:\mathrm{C}_{\mathrm{2}} \mathrm{H}_{\mathrm{6}} \left(\mathrm{g}\right) \\ $$$$\left(\mathrm{3}\right)\:\mathrm{CH}_{\mathrm{3}}…