K kkk579 hello Joined Jul 24, 2021 Messages 1,636 Location Sydney, Australia Gender Female HSC 2025 Today at 4:01 PM #1 what r some tips and tricks for these types of qs? i always have trouble recognising which ratio i need to sub in if the q isnt an easier one
what r some tips and tricks for these types of qs? i always have trouble recognising which ratio i need to sub in if the q isnt an easier one