Question Number 164312 by mathlove last updated on 16/Jan/22
Commented by mr W last updated on 16/Jan/22
$${one}\:{must}\:{see}:\:{x}=\mathrm{1},\:{y}=\mathrm{0} \\ $$
Commented by mathlove last updated on 16/Jan/22
$${solve}\:\:{it}?\:\:\:\:{pleas} \\ $$
Commented by mr W last updated on 16/Jan/22
$${you}\:{can}\:{see}\:{it}\:{or}\:{you}\:{can}\:{not}\:{see}\:{it}! \\ $$$${a}\:{real}\:{method}\:{to}\:{solve}\:{it}\:{doesn}'{t}\:{exist}. \\ $$