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Question Number 65414 by mr W last updated on 29/Jul/19 Commented by mr W last updated on 25/Feb/21 $${a}\:{ball}\:{is}\:{thrown}\:{from}\:{point}\:{A}\:{with} \\ $$$${speed}\:{u}\:{and}\:{at}\:{an}\:{angle}\:\theta.\:{it}\:{strikes} \\ $$$${at}\:{a}\:{point}\:{on}\:{the}\:{inclined}\:{surface}\: \\ $$$${and}\:{returns}\:{back}\:{to}\:{its}\:{start}\:{point}.…
Question Number 130949 by mnjuly1970 last updated on 31/Jan/21 $$\:\:\:\:\:\:\:\:\:…{nice}\:\:{calculus}… \\ $$$$\:\:\:{calculate}:\: \\ $$$$\:\:\:\:\mathrm{I}=\int_{\mathrm{0}} ^{\:\infty} \frac{\mathrm{S}{i}\left({x}\right)}{{x}^{\frac{\mathrm{3}}{\mathrm{2}}} }\:\:{dx}\overset{???} {=}\sqrt{\mathrm{8}\pi}\: \\ $$$$\:\:\:\:\:\:\:\mathrm{S}{i}\left({x}\right)=\int_{\mathrm{0}} ^{\:{x}} \frac{{sin}\left({t}\right)}{{t}}{dt} \\ $$ Answered…
Question Number 130946 by help last updated on 30/Jan/21 Answered by mathmax by abdo last updated on 30/Jan/21 $$\mathrm{u}_{\mathrm{n}} =\frac{\sqrt{\mathrm{n}^{\mathrm{4}} −\mathrm{2n}^{\mathrm{3}} }−\mathrm{n}^{\mathrm{2}} }{\mathrm{n}+\mathrm{2}}\:\Rightarrow\mathrm{u}_{\mathrm{n}} =\frac{\sqrt{\mathrm{n}^{\mathrm{4}} \left(\mathrm{1}−\frac{\mathrm{2}}{\mathrm{n}}\right)}−\mathrm{n}^{\mathrm{2}}…
Question Number 65407 by aliesam last updated on 29/Jul/19 Commented by aliesam last updated on 29/Jul/19 $${find}\:{the}\:{function}\:{G} \\ $$ Terms of Service Privacy Policy Contact:…
Question Number 130943 by help last updated on 30/Jan/21 Commented by Dwaipayan Shikari last updated on 30/Jan/21 $$\mathrm{0} \\ $$ Commented by help last updated…
Question Number 65405 by KanhAshish last updated on 29/Jul/19 Commented by KanhAshish last updated on 29/Jul/19 $$\mathrm{someone}\:\mathrm{please}\:\mathrm{send}\:\mathrm{explanation}. \\ $$ Terms of Service Privacy Policy Contact:…
Question Number 65403 by mathmax by abdo last updated on 29/Jul/19 $${solve}\:{the}\left({de}\right)\:\:\:\:\:\:{x}^{\mathrm{3}} {y}^{''} −\mathrm{2}{xy}^{'} \:+\left({x}+\mathrm{1}\right){y}\:=\mathrm{0} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 130939 by mathlove last updated on 06/Feb/21 $${belwo}\:\:{synonymus}\:{solve} \\ $$$${a}_{\mathrm{1}} =\frac{\mathrm{4}{n}+\mathrm{3}}{\mathrm{2}{n}−\mathrm{1}}\:\:\:\:\:\:\:{and}\:\:{a}_{\mathrm{10}} =\frac{\mathrm{6}{n}+\mathrm{5}}{\mathrm{2}{n}−\mathrm{4}} \\ $$$${a}_{\mathrm{30}} =? \\ $$$${pleas}\:{slove}\:{this} \\ $$ Commented by mathlove last…
Question Number 65402 by mathmax by abdo last updated on 29/Jul/19 $${solve}\:{the}\:\left({de}\right)\:\:\:\:\sqrt{{x}^{\mathrm{2}} +\mathrm{1}}{y}^{''} \:\:\:−{xy}^{'} \:={x}^{\mathrm{2}} −{x} \\ $$ Commented by mathmax by abdo last updated…