5 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.This was as far as I figured it out.

For the last one, ln(x) is increasing function, so just put values and see if it is true.
It comes out to be false ig.
oh great ok