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Question-211708

Question Number 211708 by Skyneless last updated on 17/Sep/24 Answered by Frix last updated on 18/Sep/24 $$\int\sqrt{\mathrm{tan}\:{x}}{dx}= \\ $$$$\:\:\:\:\:\left[{t}=\mathrm{2tan}^{−\mathrm{1}} \:\sqrt{\mathrm{tan}\:{x}}\right] \\ $$$$=\int\frac{\mathrm{1}−\mathrm{cos}\:{t}}{\mathrm{1}+\mathrm{cos}^{\mathrm{2}} \:{t}}{dt} \\ $$$$…

if-x-log27-9-logx-36-find-x-

Question Number 211706 by Nadirhashim last updated on 17/Sep/24 $$\:\:\:\:\:\boldsymbol{{if}}\:\:\boldsymbol{{x}}^{\boldsymbol{{log}}\mathrm{27}} +\:\:\:\mathrm{9}^{\boldsymbol{{logx}}} =\mathrm{36}\:\boldsymbol{{find}}\:\boldsymbol{{x}} \\ $$ Answered by mehdee7396 last updated on 17/Sep/24 $${x}^{\mathrm{3}{log}\mathrm{3}} +{x}^{\mathrm{2}{log}\mathrm{3}} =\mathrm{36}\:\: \\…

Calculate-the-quadruple-integralas-follows-I-0-1-0-x-0-y-0-z-sin-x-2-y-2-z-2-w-2-1-w-2-z-2-dw-dz-dy-dx-

Question Number 211703 by MrGaster last updated on 17/Sep/24 $$ \\ $$$$\:\mathrm{Calculate}\:\mathrm{the}\:\mathrm{quadruple}\: \\ $$$$\mathrm{integralas}\:\mathrm{follows}: \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\boldsymbol{{I}}=\int_{\mathrm{0}} ^{\mathrm{1}} \int_{\mathrm{0}} ^{\boldsymbol{{x}}} \int_{\mathrm{0}} ^{\boldsymbol{\mathrm{y}}} \int_{\mathrm{0}} ^{\boldsymbol{{z}}} \frac{\boldsymbol{\mathrm{sin}}\left(\boldsymbol{{x}}^{\mathrm{2}} +\boldsymbol{\mathrm{y}}^{\mathrm{2}}…

Consider-a-system-consisting-ofw-to-masses-m-1-and-m-2-where-the-pendulum-rod-has-an-nolinear-elastic-coefficient-k-k-0-1-2-with-being-the-angle-between-the-rodand-the-vertical-directi

Question Number 211677 by MrGaster last updated on 16/Sep/24 $$\mathrm{Consider}\:\mathrm{a}\:\mathrm{system}\:\mathrm{consisting}\:\mathrm{ofw} \\ $$$$\mathrm{to}\:\mathrm{masses}.\boldsymbol{{m}}_{\mathrm{1}} \boldsymbol{\mathrm{and}}\:\boldsymbol{{m}}_{\mathrm{2}} ,\mathrm{where}\:\mathrm{the}\:\mathrm{pendulum}\:\mathrm{rod}\:\mathrm{has}\:\mathrm{an} \\ $$$$\mathrm{nolinear}\:\mathrm{elastic}\:\mathrm{coefficient}\:\boldsymbol{{k}}\left(\boldsymbol{\theta}\right)=\boldsymbol{{k}}_{\mathrm{0}} \left(\mathrm{1}+\boldsymbol{\alpha\theta}^{\mathrm{2}} \right),\mathrm{with}\boldsymbol{\theta}\:\mathrm{being}\:\mathrm{the}\:\mathrm{angle}\:\mathrm{between}\:\mathrm{the}\: \\ $$$$\mathrm{rodand}\:\mathrm{the}\:\mathrm{vertical}\:\mathrm{direction}. \\ $$$$\mathrm{Suppose}\:\mathrm{the}\:\mathrm{angle}\:\mathrm{is}\:\mathrm{smallh} \\ $$$$\mathrm{enoug}\:\mathrm{that}\:\boldsymbol{\theta}\:\mathrm{The}\:\mathrm{square}\:\mathrm{of}\:\mathrm{can}\:\mathrm{be}\:\mathrm{ignored}\: \\…

Inverse-root-formula-x-2c-b-b-2-4ac-1-The-antiroot-formula-is-derivedr-fom-the-abovementionedt-antiroo-formula-

Question Number 211679 by MrGaster last updated on 16/Sep/24 $$ \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\mathrm{Inverse}\:\mathrm{root}\:\mathrm{formula}: \\ $$$$\:\:\:\:\:\:\:\:\:\:\boldsymbol{{x}}=\frac{\mathrm{2}\boldsymbol{{c}}}{−\boldsymbol{{b}}\pm\sqrt{\boldsymbol{{b}}^{\mathrm{2}} −\mathrm{4}\boldsymbol{{ac}}}} \\ $$$$\left(\mathrm{1}\right)\mathrm{The}“\:\mathrm{antiroot}\:\mathrm{formula}''\:\mathrm{is}\:\mathrm{derivedr} \\ $$$$\mathrm{fom}\:\mathrm{the}\:\mathrm{abovementionedt} \\ $$$$\mathrm{antiroo}\:\mathrm{formula}. \\ $$ Commented by…

Resoudre-x-x-x-1-x-1-x-2-

Question Number 211673 by a.lgnaoui last updated on 16/Sep/24 $$\:\:\:\boldsymbol{{Resoudre}} \\ $$$$\:\:^{\boldsymbol{\mathrm{x}}} \sqrt{\frac{\boldsymbol{\mathrm{x}}}{\boldsymbol{\mathrm{x}}−\mathrm{1}}}\:\:\:=\left(\boldsymbol{\mathrm{x}}−\mathrm{1}\right)^{\left(\boldsymbol{\mathrm{x}}−\mathrm{2}\right)} . \\ $$ Answered by Frix last updated on 16/Sep/24 $$\mathrm{You}\:\mathrm{can}\:\mathrm{only}\:\mathrm{approximate} \\…

f-x-x-4-x-3-x-2-3x-6-price-range-E-f-

Question Number 211700 by hardmath last updated on 16/Sep/24 $$\mathrm{f}\left(\mathrm{x}\right)\:=\:\mathrm{x}^{\mathrm{4}} −\mathrm{x}^{\mathrm{3}} \:+\:\mathrm{x}^{\mathrm{2}} \:+\:\mathrm{3x}−\mathrm{6} \\ $$$$\mathrm{price}\:\mathrm{range}:\:\mathrm{E}\left(\mathrm{f}\right)\:=\:? \\ $$ Commented by Frix last updated on 16/Sep/24 $$\mathrm{What}\:\mathrm{do}\:“\mathrm{price}\:\mathrm{range}''\:\mathrm{and}\:“{E}\left({f}\right)''\:\mathrm{mean}?…