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Category: Differentiation

BobHans-find-the-formula-d-3-dx-3-g-f-x-

Question Number 107647 by bobhans last updated on 12/Aug/20 $$\:\:\:\:\:\:\:\asymp\mathcal{B}\mathrm{ob}\mathcal{H}\mathrm{ans}\asymp \\ $$$$\:\mathrm{find}\:\mathrm{the}\:\mathrm{formula}\:\frac{\mathrm{d}^{\mathrm{3}} }{\mathrm{dx}^{\mathrm{3}} }\left[\mathrm{g}\left(\mathrm{f}\left(\mathrm{x}\right)\right)\right] \\ $$ Answered by john santu last updated on 12/Aug/20 $$\:\:\:\:\:\square\mathcal{JS}\square…

Question-107461

Question Number 107461 by Don08q last updated on 10/Aug/20 Commented by john santu last updated on 11/Aug/20 $$\left({iii}\right)\:{y}={x}^{\mathrm{3}} +\left({k}+\mathrm{2}\right){x}^{\mathrm{2}} −\mathrm{3}{kx}+\mathrm{5} \\ $$$$\Rightarrow{y}'=\mathrm{3}{x}^{\mathrm{2}} +\mathrm{2}\left({k}+\mathrm{2}\right){x}−\mathrm{3}{k} \\ $$$$\Rightarrow\Delta=\:\mathrm{4}\left({k}+\mathrm{2}\right)^{\mathrm{2}}…

Question-172785

Question Number 172785 by mnjuly1970 last updated on 01/Jul/22 Answered by Eulerian last updated on 01/Jul/22 $$\: \\ $$$$\:\mathrm{Note}:\:\:\mathrm{H}_{\mathrm{n}−\mathrm{1}} \:=\:\gamma\:+\:\psi^{\left(\mathrm{0}\right)} \left(\mathrm{n}\right) \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\mathrm{H}_{\mathrm{n}−\mathrm{1}} \:=\:\mathrm{H}_{\mathrm{n}} \:−\:\frac{\mathrm{1}}{\mathrm{n}}…

Question-172681

Question Number 172681 by mnjuly1970 last updated on 30/Jun/22 Answered by Jamshidbek last updated on 30/Jun/22 $$\mathrm{Hint}:\:\mathrm{Lemma}:\:\int_{\mathrm{a}} ^{\mathrm{b}} \mathrm{f}\left(\mathrm{x}\right)\mathrm{dx}=\int_{\mathrm{a}} ^{\mathrm{b}} \mathrm{f}\left(\mathrm{a}+\mathrm{b}−\mathrm{x}\right)\mathrm{dx} \\ $$$$\mathrm{after}\:\mathrm{tg}\frac{\mathrm{x}}{\mathrm{2}}=\mathrm{t}. \\ $$…

min-y-9-sin-2-x-4-csc-2-x-3-

Question Number 172613 by cortano1 last updated on 29/Jun/22 $$\:\:\:{min}\:{y}=\mathrm{9}\:\mathrm{sin}\:^{\mathrm{2}} {x}+\:\mathrm{4}\:{csc}^{\mathrm{2}} {x}\:+\:\mathrm{3} \\ $$ Answered by Rasheed.Sindhi last updated on 29/Jun/22 $${y}=\left(\mathrm{3sin}\:{x}+\mathrm{2}\:\mathrm{csc}\:{x}\right)^{\mathrm{2}} −\mathrm{12}+\mathrm{3} \\ $$$${y}=\left(\mathrm{3sin}\:{x}+\mathrm{2}\:\mathrm{csc}\:{x}\right)^{\mathrm{2}}…