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Category: Differentiation

min-f-x-x-2-2x-5-4x-2-4x-10-

Question Number 175623 by cortano1 last updated on 04/Sep/22 $$\:\mathrm{min}\:\mathrm{f}\left(\mathrm{x}\right)=\sqrt{\mathrm{x}^{\mathrm{2}} −\mathrm{2x}+\mathrm{5}}\:+\sqrt{\mathrm{4x}^{\mathrm{2}} −\mathrm{4x}+\mathrm{10}} \\ $$ Answered by greougoury555 last updated on 04/Sep/22 $$\:{let}\:\begin{cases}{{a}=\left(\mathrm{1}−{x}\right){i}+\mathrm{2}{j}}\\{{b}=\left(\mathrm{2}{x}−\mathrm{1}\right){i}+\mathrm{3}{j}}\end{cases} \\ $$$$\:\mid{a}\mid\:+\mid{b}\:\mid\:\geqslant\:\mid{a}\:+{b}\mid \\…

If-x-1-2-1-differentiate-cos-1-2x-1-x-2-

Question Number 44267 by rahul 19 last updated on 25/Sep/18 $${If}\:{x}\epsilon\:\left(\frac{\mathrm{1}}{\:\sqrt{\mathrm{2}}}\:,\:\mathrm{1}\right)\:,{differentiate}\:\mathrm{cos}^{−\mathrm{1}} \left(\mathrm{2}{x}\sqrt{\mathrm{1}−{x}^{\mathrm{2}} }\right). \\ $$ Answered by tanmay.chaudhury50@gmail.com last updated on 25/Sep/18 $${x}={cos}\alpha\:\:\:{dx}=−{sin}\alpha\:{d}\alpha \\ $$$${y}={cos}^{−\mathrm{1}}…

Question-44208

Question Number 44208 by Tinkutara last updated on 23/Sep/18 Commented by tanmay.chaudhury50@gmail.com last updated on 24/Sep/18 $${some}\:{one}\:{throw}\:{light}…{the}\:{meaning}\:{of}\:{twice} \\ $$$${differentiable}\:{function}… \\ $$$${f}\left({x}\right)={A}\left({x}−{a}\right)\left({x}−{e}\right)+{Cx}^{\mathrm{2}} +{D}\:\:{is}\:{it}\:{correcet}\:{to}\:{assume} \\ $$ Commented…