I need to deal some of question of this type recent,but I always get stuck.
ex.
tons of thanks in advance,if anyone has ideas
my teacher said it approximately equals to
but I have no idea how to convert it.
I need to deal some of question of this type recent,but I always get stuck.
ex.
tons of thanks in advance,if anyone has ideas
my teacher said it approximately equals to
but I have no idea how to convert it.
A "Riemann sum" is always of the form and the reduces to the integral .
Basically, what you need to do is determine which part of the sum you want to be " " and which part you want to be " ".
However, you " " as the upper limit as your sum. That is impossible. You cannot have "k", the sum index in the upper limit.