My teacher said we aren't allowed to differentiate the sigma in binomial theorem. She said something about it not being mathematically correct to just differentiate a sigma so instead she told us to expand it first and then differentiate.
My tutor on the other hand said that its perfectly...
Hi, a prospective buyer here ^^ I just took a look in the sample physics notes and they look amazing!
I noticed some of the information you had weren't in textbooks, out of curiosity what sources did you use to make these notes?
Thanks for the reply ^^
My school rank fluctuates a lot. If I take into account for people dragging me down, at most how low will my atar go down? In my school, the caliber of students range from either REALLY strong to drop kick.