Question Number 35541 by tanmay.chaudhury50@gmail.com last updated on 20/May/18
Commented by tanmay.chaudhury50@gmail.com last updated on 20/May/18
$${i}\:{am}\:{sharing}\:{some}\:{formula}... \\ $$
Commented by NECx last updated on 20/May/18
$${thanks}\:{sir} \\ $$
Commented by prof Abdo imad last updated on 21/May/18
$${thank}\:{you}\:{railways}.... \\ $$