Submitted by pdpark on Sat, 04/22/2017 - 06:40
Forums:
Hello,
In the preparation section, question 2(vi), I'm not entirely sure why you can simply make the substitution u=x in the final part and keep it equal as I. I maybe thought it was an even function and so there was some symmetry involved, or there was some equating of coefficients going on in the top lines, but they didn't really transfer to the Warm down part... Much appreciate any help.
Damin
I'm not sure what the
I'm not sure what the 'preparation' secrion is, but it sounds like you're asking something similar to this: https://maths.org/step/ii-2015-q6-ii -- does my answer there help? If not, let me know and link me to your question.
Foundation Assignments
The "Foundation Assignments" each have a preparation question before the STEP question. Assignment 25 can be found here.
(Not answering the original question, sorry! I'll have a look on Monday.)
Actually...
The page Zacken has linked to has an excellent explanation of what you are stuck on!