Question Number 152468 by talminator2856791 last updated on 28/Aug/21 $$\: \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\int_{−\infty} ^{\:\infty} \:\frac{\mathrm{ln}\left(\sqrt{{x}^{\mathrm{4}} +\mathrm{1}}\right)}{\:\sqrt{{x}^{\mathrm{4}} +\mathrm{1}}}\:\:{dx} \\ $$$$\: \\ $$ Answered by mindispower last updated…
Question Number 86932 by jagoll last updated on 01/Apr/20 Answered by mr W last updated on 01/Apr/20 $$\mathrm{1}. \\ $$$${RS}={RT} \\ $$$$\mathrm{5}\left({x}−\mathrm{3}\right)+\mathrm{6}=\mathrm{4}\left(\mathrm{2}{x}−\mathrm{6}\right) \\ $$$$\mathrm{15}=\mathrm{3}{x} \\…
Question Number 152464 by mathdanisur last updated on 28/Aug/21 Answered by mindispower last updated on 29/Aug/21 $$\frac{{sin}\left({z}\right)}{{z}}=\underset{{n}\geqslant\mathrm{1}} {\prod}\left(\mathrm{1}−\frac{{z}^{\mathrm{2}} }{{n}^{\mathrm{2}} \pi^{\mathrm{2}} }\right) \\ $$$$\frac{{sh}\left({t}\right)}{{t}}=\underset{{n}\geqslant\mathrm{1}} {\prod}\left(\mathrm{1}+\frac{{t}^{\mathrm{2}} }{{n}^{\mathrm{2}}…
Question Number 21394 by mondodotto@gmail.com last updated on 22/Sep/17 Answered by mrW1 last updated on 22/Sep/17 $$\mathrm{t}=\sqrt{\mathrm{2x}+\mathrm{1}} \\ $$$$\mathrm{x}=\frac{\mathrm{t}^{\mathrm{2}} −\mathrm{1}}{\mathrm{2}} \\ $$$$\mathrm{dx}=\mathrm{tdt} \\ $$$$\int\mathrm{x}\sqrt{\mathrm{2x}+\mathrm{1}}\:\mathrm{dx}=\int\frac{\mathrm{t}^{\mathrm{2}} −\mathrm{1}}{\mathrm{2}}×\mathrm{t}×\mathrm{tdt}…
Question Number 21392 by mondodotto@gmail.com last updated on 22/Sep/17 Answered by mrW1 last updated on 22/Sep/17 $$\mathrm{f}\left(\mathrm{x}\right)=\mathrm{2x}^{\mathrm{2}} +\mathrm{23}=\mathrm{2}\left(\mathrm{x}−\mathrm{0}\right)^{\mathrm{2}} +\mathrm{23} \\ $$ Terms of Service Privacy…
Question Number 21390 by Joel577 last updated on 22/Sep/17 $$\underset{\mathrm{0}} {\overset{\mathrm{1}} {\int}}\:\:\frac{{x}^{\mathrm{7}} \:−\:\mathrm{1}}{\mathrm{ln}\:{x}}\:{dx} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 86924 by TawaTawa1 last updated on 01/Apr/20 Answered by mind is power last updated on 01/Apr/20 $$={x}\underset{{n}\geqslant\mathrm{1}} {\sum}.\frac{\left(−\mathrm{2}{x}^{\mathrm{2}} \right)^{{n}} }{{n}^{\mathrm{2}} }={U}_{{n}} \\ $$$$\int\frac{{ln}\left(\mathrm{1}+{x}\right)}{{x}}{dx}=\int\underset{{n}\geqslant\mathrm{0}}…
Question Number 21388 by Tinkutara last updated on 22/Sep/17 $$\mathrm{A}\:\mathrm{block}\:\mathrm{of}\:\mathrm{mass}\:{m}\:\mathrm{is}\:\mathrm{connected}\:\mathrm{with} \\ $$$$\mathrm{another}\:\mathrm{block}\:\mathrm{of}\:\mathrm{mass}\:\mathrm{2}{m}\:\mathrm{by}\:\mathrm{a}\:\mathrm{light} \\ $$$$\mathrm{spring}.\:\mathrm{2}{m}\:\mathrm{is}\:\mathrm{connected}\:\mathrm{with}\:\mathrm{a}\:\mathrm{hanging} \\ $$$$\mathrm{mass}\:\mathrm{3}{m}\:\mathrm{by}\:\mathrm{an}\:\mathrm{inextensible}\:\mathrm{light}\:\mathrm{string}. \\ $$$$\mathrm{At}\:\mathrm{the}\:\mathrm{time}\:\mathrm{of}\:\mathrm{release}\:\mathrm{of}\:\mathrm{block}\:\mathrm{3}{m},\:\mathrm{find} \\ $$$$\mathrm{tension}\:\mathrm{in}\:\mathrm{the}\:\mathrm{string}\:\mathrm{and}\:\mathrm{acceleration} \\ $$$$\mathrm{of}\:\mathrm{all}\:\mathrm{the}\:\mathrm{masses}. \\ $$ Commented…
Question Number 152457 by pete last updated on 28/Aug/21 $$ \\ $$$$\mathrm{Kofi}\:\mathrm{is}\:\mathrm{20\%}\:\:\mathrm{heavier}\:\mathrm{than}\:\mathrm{Afia}.\:\mathrm{If}\:\mathrm{Kofi} \\ $$$$\mathrm{weighs}\:\mathrm{60}\:\mathrm{kg}\:\mathrm{what}\:\mathrm{is}\:\mathrm{Afia}'\mathrm{s}\:\mathrm{weight}? \\ $$ Answered by Rasheed.Sindhi last updated on 28/Aug/21 $${Let}\:{Afia}'{s}\:{weight}\:{is}\:{w} \\…
Question Number 86918 by gny last updated on 01/Apr/20 Commented by jagoll last updated on 01/Apr/20 $$\mathrm{what}\:\mathrm{is}\:\mathrm{question}? \\ $$ Commented by 21042009 last updated on…