theres practically only like three types of those tho for 3u. one is substituting 1,-1 or other numbers in. Second one is differentiating it and the third one is expanding and equating shit. they did have a binomial - ish sorta question last yr (Q12).
fr i really want the 2021 question or smth similar again. its weird cause most 2024 papers I have done have included a q14 logistics question, so im hoping its there