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Category: Relation and Functions

let-give-f-x-x-x-1-1-calculate-f-1-x-2-calculate-f-1-x-

Question Number 32701 by caravan msup abdo. last updated on 31/Mar/18 $${let}\:{give}\:{f}\left({x}\right)=\:\frac{{x}}{\:\sqrt{{x}+\mathrm{1}}} \\ $$$$\left.\mathrm{1}\left.\right){calculate}\:{f}^{−\mathrm{1}} \left({x}\right)\right) \\ $$$$\left.\mathrm{2}\right)\:{calculate}\:\left({f}^{−\mathrm{1}} \right)^{'} \left({x}\right)\:. \\ $$ Commented by Rio Mike…

let-f-x-arctan-2x-x-3-1-calculate-f-n-x-snd-f-n-0-2-developp-f-at-integr-serie-

Question Number 98188 by abdomathmax last updated on 12/Jun/20 $$\mathrm{let}\:\mathrm{f}\left(\mathrm{x}\right)\:=\frac{\mathrm{arctan}\left(\mathrm{2x}\right)}{\mathrm{x}+\mathrm{3}} \\ $$$$\left.\mathrm{1}\right)\:\mathrm{calculate}\:\mathrm{f}^{\left(\mathrm{n}\right)} \left(\mathrm{x}\right)\:\mathrm{snd}\:\mathrm{f}^{\left(\mathrm{n}\right)} \left(\mathrm{0}\right) \\ $$$$\left.\mathrm{2}\right)\:\mathrm{developp}\:\mathrm{f}\:\mathrm{at}\:\mathrm{integr}\:\mathrm{serie} \\ $$ Answered by mathmax by abdo last updated…

find-arctan-x-arctany-at-form-of-arctan-

Question Number 98187 by abdomathmax last updated on 12/Jun/20 $$\mathrm{find}\:\mathrm{arctan}\left(\mathrm{x}\right)+\mathrm{arctany}\:\:\mathrm{at}\:\mathrm{form}\:\mathrm{of}\:\mathrm{arctan} \\ $$ Answered by Rio Michael last updated on 12/Jun/20 $$\mathrm{let}\:\mathrm{arctan}\:{x}\:=\:{u}\:\Rightarrow\:{x}\:=\:\mathrm{tan}\:{u} \\ $$$$\mathrm{and}\:\mathrm{let}\:\mathrm{tan}\:{y}\:=\:{v}\:\Rightarrow\:{y}\:=\:\mathrm{tan}\:{v} \\ $$$$\mathrm{suppose}\:\mathrm{arctan}\:{x}\:+\:\mathrm{arctan}\:{y}\:=\:\theta…

let-f-x-0-cos-xt-t-2-4-2-dt-find-0-1-f-x-dx-

Question Number 98184 by abdomathmax last updated on 12/Jun/20 $$\mathrm{let}\:\mathrm{f}\left(\mathrm{x}\right)\:=\int_{\mathrm{0}} ^{\infty} \:\:\frac{\mathrm{cos}\left(\mathrm{xt}\right)}{\left(\mathrm{t}^{\mathrm{2}} \:+\mathrm{4}\right)^{\mathrm{2}} }\mathrm{dt}\:\:\mathrm{find}\:\int_{\mathrm{0}} ^{\mathrm{1}} \:\mathrm{f}\left(\mathrm{x}\right)\mathrm{dx} \\ $$ Answered by mathmax by abdo last updated…