Question Number 149405 by mathdanisur last updated on 05/Aug/21
$${if}\:\:\:\int{f}\left({x}\right){dx}\:=\:{x}^{\mathrm{3}} −\mathrm{3}{x}^{\mathrm{2}} −{c} \\ $$$${find}\:\:\:{f}\left(−\mathrm{2}\right)\:=\:? \\ $$
Commented by liberty last updated on 05/Aug/21
$$\mathrm{f}\left(\mathrm{x}\right)=\mathrm{3x}^{\mathrm{2}} −\mathrm{6x} \\ $$$$\mathrm{f}\left(−\mathrm{2}\right)=\mathrm{12}+\mathrm{12}=\mathrm{24} \\ $$
Commented by mathdanisur last updated on 05/Aug/21
$${Thank}\:{You}\:{Ser} \\ $$