Question Number 175951 by blackmamba last updated on 10/Sep/22
$$\:{Given}\:{f}\left({x}\right)={ax}^{\mathrm{3}} +{bx}^{\mathrm{2}} +{cx}+{d}\: \\ $$$$\:{a}\neq\:\mathrm{0}\:{and}\:\mid{f}\:'\left({x}\right)\mid\:\leqslant\:\mathrm{1}\:{for}\:\mathrm{0}\leqslant{x}\leqslant\mathrm{1}\: \\ $$$$\:{find}\:{max}\:{value}\:{of}\:{a}. \\ $$
Commented by infinityaction last updated on 10/Sep/22
$${what}\:{is}\:{answer}\:{of}\:{this}\:{question} \\ $$