Ajay KumarMember Anusha : here they are asking minimum number of R so its obviously 4 only in ur choice in the list (4, 5,6) Any way its my own formula. it is not in any text book . u can apply and check and reply back
Anusha : here they are asking minimum number of R so its obviously 4 only in ur choice in the list (4, 5,6)
Any way its my own formula. it is not in any text book . u can apply and check and reply back