6 Replies
@Apu
Note for OP
+solved @user1 @user2... to close the thread when your doubt is solved. Mention the users who helped you solve the doubt. This will be added to their stats.Write out r itself and then it becomes clear. (You have to see like r should have some (a,b) abd s should have like some (b,c))
haa maine kara
but like SoR ka kya matlab nikalu mai idhar
common elements?
like
what
S of R matlab composition of S and R here.
Like S(R(x))=y kinda stuff
Which is why you need to identify sets of (a,b) and (b,c) in R and S respectively.
we good?