Question Number 128942 by bramlexs22 last updated on 11/Jan/21 $$\:\mathrm{Given}\::\:\mathrm{3}{xf}\left(\frac{\mathrm{1}}{{x}}\right)+{f}\left({x}\right)=\mathrm{2}{x}+\mathrm{2}\: \\ $$$${and}\:{f}\left(\mathrm{3}\right),\:\mathrm{f}\left(\mathrm{9}\right)\:,\:\mathrm{f}\left(\mathrm{a}\right)\:\mathrm{three}\:\mathrm{first} \\ $$$$\mathrm{term}\:\mathrm{in}\:\mathrm{AP}\:\mathrm{respectively}.\:\mathrm{Find} \\ $$$$\:\mathrm{the}\:\mathrm{value}\:\mathrm{of}\:\mathrm{a}\:?\: \\ $$ Answered by liberty last updated on 11/Jan/21…
Question Number 63407 by ugwu Kingsley last updated on 03/Jul/19 $${find}\:{a}\:{basics}\:{of}\:{solution}\:{of}\:{the}\:{ode} \\ $$$$ \\ $$$$\left({x}^{\mathrm{2}} −{x}\right){y}''\:−{xy}'+{y}=\mathrm{0} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 128943 by bramlexs22 last updated on 11/Jan/21 $$\:\int\:\frac{\mathrm{x}^{\mathrm{9}} }{\left(\mathrm{x}^{\mathrm{2}} +\mathrm{m}^{\mathrm{2}} \right)\mathrm{sec}\:\left(\mathrm{5x}\right)}\:\mathrm{dx}\:? \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 128940 by Study last updated on 11/Jan/21 $${C}_{\mathrm{4}} {H}_{\mathrm{8}} \left({cyclo}\:{alkane}\right)+{O}_{\mathrm{2}} \rightarrow?? \\ $$$${cyclo}\:{alkane}\:+{O}_{\mathrm{2}} \rightarrow??? \\ $$ Answered by Olaf last updated on 13/Jan/21…
Question Number 63405 by mathmax by abdo last updated on 03/Jul/19 $${find}\:\int\:\sqrt{\frac{{x}^{\mathrm{2}} −\mathrm{4}{x}+\mathrm{1}}{{x}+\mathrm{2}}}{dx} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 63404 by mathmax by abdo last updated on 03/Jul/19 $$\left.\mathrm{1}\right)\:{find}\:\:\int\:\:\:\:\frac{{x}+\mathrm{1}}{{x}^{\mathrm{3}} −\mathrm{3}{x}\:−\mathrm{2}}{dx} \\ $$$$\left.\mathrm{2}\right)\:{calculate}\:\:\int_{\mathrm{4}} ^{+\infty} \:\:\:\:\:\frac{{x}+\mathrm{1}}{{x}^{\mathrm{3}} −\mathrm{3}{x}\:+\mathrm{2}}{dx} \\ $$ Commented by MJS last updated…
Question Number 63399 by smartsmith459@gmail.com last updated on 03/Jul/19 $${if}\:\alpha\:{and}\:\beta\:{are}\:{the}\:{roots}\:{of}\:\mathrm{4}{x}^{\mathrm{2}\:} −\mathrm{6}{x}+\mathrm{1}===\mathrm{00}====================== \\ $$$$=\mathrm{0}.\:{find}\:\alpha^{\mathrm{3}} −\beta^{\mathrm{3}} . \\ $$ Commented by mr W last updated on 03/Jul/19…
Question Number 128932 by Koyoooo last updated on 11/Jan/21 Commented by mr W last updated on 11/Jan/21 $${question}\:{is}\:{wrong}! \\ $$$$−\mathrm{3}\leqslant\mathrm{2}{a}^{\mathrm{2}} +{b}^{\mathrm{2}} +\mathrm{2}{a}−\mathrm{4}{b}\leqslant\mathrm{44} \\ $$ Commented…
Question Number 63395 by mathmax by abdo last updated on 03/Jul/19 $${let}\:{f}\left({t}\right)\:=\int_{\mathrm{0}} ^{\infty} \:\frac{{ln}\left(\mathrm{1}+{tx}\right)}{\mathrm{1}+{x}^{\mathrm{2}} }{dx}\:\:\:{with}\:\:\mid{t}\mid<\mathrm{1} \\ $$$$\left.\mathrm{1}\right)\:{determine}\:{a}\:{explicit}\:\:{form}\:{of}\:{f}\left({t}\right) \\ $$$$\left.\mathrm{2}\right)\:{find}\:{the}\:{value}\:{of}\:\int_{\mathrm{0}} ^{\infty} \:\:\:\frac{{ln}\left(\mathrm{1}+{x}\right)}{\mathrm{1}+{x}^{\mathrm{2}} }{dx} \\ $$ Commented…
Question Number 128931 by Dwaipayan Shikari last updated on 11/Jan/21 $${Approximate} \\ $$$$\underset{{n}=\mathrm{1}} {\overset{\infty} {\sum}}\frac{\sqrt{{n}}}{{n}^{\mathrm{2}} +\mathrm{1}} \\ $$ Commented by Dwaipayan Shikari last updated on…