Question Number 50888 by Gulay last updated on 21/Dec/18
Commented by Gulay last updated on 21/Dec/18
$$\mathrm{sir}\:\mathrm{help}\:\mathrm{me}\:\mathrm{pls} \\ $$
Commented by MJS last updated on 21/Dec/18
$$\mathrm{what}'\mathrm{s}\:\mathrm{the}\:\mathrm{question}? \\ $$