Question Number 12682 by b.e.h.i.8.3.4.1.7@gmail.com last updated on 28/Apr/17 Answered by mrW1 last updated on 29/Apr/17 $${let}\:{u}={x}+{y} \\ $$$${let}\:{v}={xy} \\ $$$$ \\ $$$$\left({x}+{y}\right)^{\mathrm{2}} ={x}^{\mathrm{2}} +{y}^{\mathrm{2}}…
Question Number 143755 by Ar Brandon last updated on 18/Jun/21 $$\mathrm{Study}\:\mathrm{the}\:\mathrm{convergence}\:\mathrm{with}\:\mathrm{respect}\:\mathrm{to} \\ $$$$\alpha\:\mathrm{and}\:\beta\:\mathrm{the}\:\mathrm{improper}\:\mathrm{integral}\:\mathrm{below}; \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\int_{\mathrm{0}} ^{\infty} \frac{\mathrm{dx}}{\mathrm{x}^{\alpha} \left(\mathrm{lnx}\right)^{\beta} } \\ $$ Answered by mathmax by…
Question Number 78216 by TawaTawa last updated on 15/Jan/20 Commented by TawaTawa last updated on 15/Jan/20 $$\mathrm{Find}\:\mathrm{the}\:\mathrm{area}\:\mathrm{of}\:\mathrm{the}\:\mathrm{rectangle}. \\ $$ Commented by mr W last updated…
Question Number 143751 by help last updated on 17/Jun/21 Answered by TheHoneyCat last updated on 17/Jun/21 $$\mathrm{let}\:{R}_{\mathrm{0}} ={r} \\ $$$$\mathrm{I}\:\mathrm{will}\:\mathrm{right}\:{R}_{{ijk}} \:\mathrm{for}\:\mathrm{the}\:\mathrm{total}\:\mathrm{resistance}\:\mathrm{of}\:{i},{j}\:\mathrm{and}\:{k}… \\ $$$$ \\ $$$${R}_{\mathrm{34}}…
Question Number 12672 by tawa last updated on 28/Apr/17 Answered by sandy_suhendra last updated on 28/Apr/17 Commented by sandy_suhendra last updated on 28/Apr/17 $$\Sigma\mathrm{F}_{\mathrm{y}} =\mathrm{0}…
Question Number 143740 by Willson last updated on 17/Jun/21 $$\mathrm{Prove}\:\mathrm{that} \\ $$$$\underset{\mathrm{n}\rightarrow+\infty} {\mathrm{lim}2n}−\left(\mathrm{2n}+\mathrm{1}\right)\mathrm{ln}\left(\mathrm{n}\right)+\underset{\mathrm{p}=\mathrm{0}} {\overset{\mathrm{n}} {\sum}}\mathrm{ln}\left(\mathrm{1}+\mathrm{p}^{\mathrm{2}} \right)=\:\mathrm{ln}\left({e}^{\pi} −{e}^{−\pi} \right) \\ $$ Answered by TheHoneyCat last updated…
Question Number 78207 by jagoll last updated on 15/Jan/20 $${what}\:{minimum}\: \\ $$$${value}\:{of}\:{f}\left({x}\right)=\:\mathrm{9tan}\:^{\mathrm{2}} \left({x}\right)+\mathrm{4cot}\:^{\mathrm{2}} \left({x}\right) \\ $$ Commented by jagoll last updated on 15/Jan/20 $${i}'{m}\:{got}\:\mathrm{24}.\:{it}\:{right}\:{answer}? \\…
Question Number 78198 by john santu last updated on 15/Jan/20 Commented by john santu last updated on 15/Jan/20 $${dear}\:{Mjs}\:{sir}. \\ $$$${i}\:{ask}\:{for}\:{your}\:{opinion}\:{on}\:{this}\:{answer}? \\ $$$${right}\:{or}\:{not}. \\ $$…
Question Number 143735 by mnjuly1970 last updated on 17/Jun/21 $$ \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:…..{Calculus}….. \\ $$$$\:\:\:\:\:\:\:\:\Omega:=\:\int_{−\infty} ^{\:\infty} \frac{{dx}}{{x}^{\:\mathrm{2}} \:{e}^{\frac{{a}}{{x}^{\mathrm{2}} }} }\:=?\:\:\left({a}\:>\:\mathrm{0}\:\right) \\ $$ Answered by Dwaipayan Shikari…
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