Question Number 8585 by tawakalitu last updated on 17/Oct/16
Commented by ridwan balatif last updated on 17/Oct/16
$$\mathrm{we}\:\mathrm{must}\:\mathrm{count}\:\mathrm{the}\:\mathrm{value}\:\mathrm{of}\:\mathrm{x}? \\ $$
Commented by ridwan balatif last updated on 17/Oct/16
$$\mathrm{there}\:\mathrm{2}\:\mathrm{value}\:\mathrm{of}\:\mathrm{x}:\:\mathrm{x}=\mathrm{0}\:\mathrm{and}\:\mathrm{x}=\mathrm{1} \\ $$