What is this three-eighths rule for calculating integrals numerically?

Question

Programming

Hello everyone
. We were given the task to write a program for calculating definite integrals using the three-eighths method
. Help, what kind of method is this?
Google does not help (
Here is the task itself:

Answer 1

www.fvn2009.narod.ru/Manuscripts/Pascal_7_0/part58.htm 1st in Google
you have a fake, probably
wiki.auditory.ru/%D0%9B%D0%B5%D0%BA%D1%86%D0%B8 %D1...