How to take LCM
TP and TQ are two tangents to a circle with centre O so that POQ 120 , then OPT is equal
https://www.teachoo.com/5932/1930/Section-122-GST---Penalty-for-certain-offences-under-GST/category/Chapter-XIX-CGST-Offences-And-Penalties-(Section-122-to-138)/
if n!/(n-r)!r! :n!/(n-(r+1))!r+1! =1/2 and n!/(n-(r+1))!(r+1)! :n!/(n-(r+2))!r+2! =2+3 then find the value of n and r?