Question Number 75577 by Tony Lin last updated on 13/Dec/19 $$\int_{−\infty} ^{\infty} {xdx}\:{is}\:{divergent}\:{or}\:{convergent}? \\ $$ Answered by MJS last updated on 13/Dec/19 $$\underset{−\infty} {\overset{+\infty} {\int}}{xdx}=\underset{{r}\rightarrow\infty}…
Question Number 75552 by aliesam last updated on 12/Dec/19 Commented by mathmax by abdo last updated on 12/Dec/19 $${let}\:{I}\:=\int_{−\sqrt{\mathrm{3}}} ^{\mathrm{3}\sqrt{\mathrm{3}}} \:\mid\left({x}−\mathrm{2}\right)^{\mathrm{2}} −\mathrm{4}\mid{dx}\:\:\Rightarrow{I}\:\:=\int_{−\sqrt{\mathrm{3}}} ^{\mathrm{3}\sqrt{\mathrm{3}}} \mid{x}^{\mathrm{2}} −\mathrm{4}{x}\mid\:{dx}…
Question Number 141085 by iloveisrael last updated on 15/May/21 Answered by mindispower last updated on 15/May/21 $${sin}\left(\mathrm{3}{a}\right)=\mathrm{3}{sin}\left({a}\right)−\mathrm{4}{sin}^{\mathrm{3}} \left({a}\right)…… \\ $$ Answered by qaz last updated…
Question Number 141082 by mnjuly1970 last updated on 15/May/21 $$\:\:\:\:\:\:\:\:\:\:\: \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:……..\:{nice}\:\:…….\:\:{calculus}\:…….. \\ $$$$\:\:\:\boldsymbol{\phi}:=\underset{{n}=\mathrm{2}} {\overset{\infty} {\sum}}\:\:\frac{\zeta\:\left(\:{n}\:\right)}{{n}\:.\:\mathrm{4}^{{n}} }=? \\ $$$$ \\ $$ Answered by mindispower last…
Question Number 75530 by Master last updated on 12/Dec/19 Commented by MJS last updated on 12/Dec/19 $$\approx\mathrm{2}.\mathrm{09521} \\ $$ Commented by Master last updated on…
Question Number 75512 by Master last updated on 12/Dec/19 Commented by MJS last updated on 12/Dec/19 $$\mathrm{this}\:\mathrm{is}\:\mathrm{a}\:\mathrm{standard}\:\mathrm{integral};\:\mathrm{you}\:\mathrm{can}\:\mathrm{find}\:\mathrm{it}\:\mathrm{on} \\ $$$$\mathrm{any}\:\mathrm{table}\:\mathrm{of}\:\mathrm{integrals} \\ $$ Commented by JDamian last…
Question Number 9975 by Tawakalitu ayo mi last updated on 19/Jan/17 $$\int_{\:−\mathrm{2}\:} ^{\:−\mathrm{1}} \left(\frac{\mathrm{1}}{\mathrm{x}}\right)\:\mathrm{dx} \\ $$ Commented by prakash jain last updated on 20/Jan/17 $$\int\frac{\mathrm{1}}{{x}}{dx}=\mathrm{ln}\:{x}…
Question Number 141031 by iloveisrael last updated on 15/May/21 $$\:\:\:\:\:\:\int_{\pi/\mathrm{6}} ^{\:\pi/\mathrm{3}} \:\sqrt{\mathrm{1}+\frac{\mathrm{cos}\:^{\mathrm{2}} {x}}{\mathrm{sin}\:{x}}}\:{dx}\:?\: \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 140996 by mnjuly1970 last updated on 14/May/21 $$ \\ $$$$\:\:\:\:\:\:\mathscr{E}{valuation}\:{of}\:::\:\Omega\::=\underset{{n}=\mathrm{0}} {\overset{\infty} {\sum}}\frac{\left(−\mathrm{1}\right)^{{n}} }{\mathrm{1}+{n}^{\mathrm{2}} } \\ $$$$\:\:\:\:\:\:{solution}:: \\ $$$$\:\:\:\:\:\Omega:=\mathrm{1}+\underset{{n}=\mathrm{1}} {\overset{\infty} {\sum}}\frac{\left(−\mathrm{1}\right)^{{n}} }{{n}^{\mathrm{2}} −{i}^{\mathrm{2}} }\:=\frac{\mathrm{1}}{\mathrm{2}{i}}\left\{\underset{{n}=\mathrm{1}}…
Question Number 75446 by Crabby89p13 last updated on 11/Dec/19 $$\int\frac{\mathrm{1}}{{x}^{\mathrm{5}} −\mathrm{1}}{dx} \\ $$ Answered by MJS last updated on 11/Dec/19 $$\mathrm{decomposing} \\ $$$$\int\frac{{dx}}{{x}^{\mathrm{5}} −\mathrm{1}}={I}_{\mathrm{1}} +{I}_{\mathrm{2}}…