Question Number 144389 by liberty last updated on 25/Jun/21
$$\:\int\:\left(\mathrm{x}−\mathrm{1}\right)\mathrm{h}\left(\mathrm{x}\right)\mathrm{dx}\:=\:\mathrm{x}^{\mathrm{3}} −\mathrm{sin}\:\mathrm{2x}+\sqrt{\mathrm{x}^{\mathrm{2}} +\mathrm{1}}\:+\:\mathrm{c}\: \\ $$$$\Rightarrow\mathrm{h}\:'\left(\mathrm{1}\right)=\:? \\ $$
Answered by mathmax by abdo last updated on 25/Jun/21
$$\mathrm{h}\:\mathrm{is}\:\mathrm{not}\:\mathrm{ddrivable}\:\mathrm{at}\:\mathrm{x}_{\mathrm{0}} =\mathrm{1}\:\:…! \\ $$