Question Number 126557 by I want to learn more last updated on 21/Dec/20
Commented by I want to learn more last updated on 21/Dec/20
$$\mathrm{Find}\:\:\mathrm{k} \\ $$
Commented by mr W last updated on 22/Dec/20
$${bad}\:{question}! \\ $$$${condition}\:{not}\:{clear},\:{no}\:{solution}\: \\ $$$${possible}! \\ $$
Commented by talminator2856791 last updated on 22/Dec/20
$$\:\mathrm{please}\:\mathrm{provide}\:\mathrm{a}\:\mathrm{more}\:\mathrm{clear}\:\mathrm{image} \\ $$