Question Number 60321 by Sardor2211 last updated on 19/May/19
Commented by tanmay last updated on 19/May/19
$${not}\:{understood}\:{the}?{question}... \\ $$
Commented by maxmathsup by imad last updated on 20/May/19
$${what}\:{is}\:{the}\:{equation}?\:{the}\:{Q}\:{is}\:{not}\:{clear}... \\ $$