Question Number 86987 by naka3546 last updated on 01/Apr/20 Commented by mr W last updated on 01/Apr/20 $$\Rightarrow\:{Q}\mathrm{86907} \\ $$ Terms of Service Privacy Policy…
Question Number 152513 by ZiYangLee last updated on 29/Aug/21 $$\int\:\frac{\mathrm{1}}{\mathrm{2}{x}^{\mathrm{2}} +\mathrm{3}{x}+\mathrm{8}}\:{dx}\:=? \\ $$ Commented by alisiao last updated on 29/Aug/21 $$ \\ $$$$=\:\frac{\mathrm{1}}{\mathrm{2}}\:\int\:\frac{{dx}}{\left({x}+\frac{\mathrm{3}}{\mathrm{4}}\right)^{\mathrm{2}} +\frac{\mathrm{55}}{\mathrm{16}}}\:=\:\frac{\mathrm{1}}{\mathrm{2}}\:\int\:\:\frac{{dt}}{{t}^{\mathrm{2}} +\frac{\mathrm{55}}{\mathrm{16}}}\:…
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Question Number 21426 by x² – y²@gmail.com last updated on 23/Sep/17 $$\mathrm{given}\:\sqrt{\mathrm{2017}{x}^{\mathrm{2}} \:+\:\mathrm{4034}{x}\:+\:\mathrm{17}}\:+\:\sqrt{\mathrm{2017}{x}^{\mathrm{2}} \:+\:\mathrm{4034}{x}\:−\:\mathrm{3}}\:=\:\mathrm{10}, \\ $$$$\mathrm{then}\:\mathrm{find}\:\mathrm{the}\:\mathrm{value}\:{x}^{\mathrm{2}} \:+\:\mathrm{2}{x}. \\ $$ Answered by $@ty@m last updated on…
Question Number 86948 by gny last updated on 01/Apr/20 $$\frac{−{sin}\alpha+\mathrm{3}{cos}\alpha}{\mathrm{4}{cos}\alpha+\mathrm{3}{sin}\alpha} \\ $$$$ \\ $$$${tg}\alpha=−\mathrm{3} \\ $$$${pls}\:{help}\:{me}\:{sir} \\ $$ Commented by Prithwish Sen 1 last updated…
Question Number 86946 by A8;15: last updated on 01/Apr/20 Commented by john santu last updated on 01/Apr/20 $$\mathrm{A}^{\mathrm{2}} \:\mathrm{sin}\:^{\mathrm{2}} \mathrm{Ax}\:\:=\:\mathrm{B}^{\mathrm{2}} \:\mathrm{sin}\:\mathrm{Bx}\: \\ $$$$\Rightarrow\mathrm{sin}\:^{\mathrm{2}} \:\mathrm{Ax}\:=\:\frac{\mathrm{B}^{\mathrm{2}} }{\mathrm{A}^{\mathrm{2}}…
Question Number 21394 by mondodotto@gmail.com last updated on 22/Sep/17 Answered by mrW1 last updated on 22/Sep/17 $$\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} \\ $$ Terms of Service Privacy…
Question Number 86902 by redmiiuser last updated on 01/Apr/20 $${Mr}.{mathmax}\:{by}\:{abdo} \\ $$$${i}\:{request}\:{you}\:{to}\:{check} \\ $$$${my}\:{process}\:{to}\:{your} \\ $$$${question}\:\mathrm{86375}. \\ $$ Commented by mathmax by abdo last updated…