Hi Sir. Though it is very evident that it’s a typo, if you could edit the p+2q+3r part it’ll be good for those who can get confused. You’ve added “a” there, mistakenly. And also thanks for this wonderful series, venn was my only weak part in DILR and now I’ve covered it too 🙂
CAT-holics 
Hi Sir. Though it is very evident that it’s a typo, if you could edit the p+2q+3r part it’ll be good for those who can get confused. You’ve added “a” there, mistakenly. And also thanks for this wonderful series, venn was my only weak part in DILR and now I’ve covered it too 🙂
Oops yes…little tricky to edit so will hope people who get confused read the comment section 🙂 Thanks for letting me know!
regards
J