Definition of a limit, expression of area.
I think I have the answer, perhaps I am just entering it incorrectly? please check!

Question

Definition of a limit, expression of area. 
I think I have the answer, perhaps I am just entering it incorrectly? please check!

babynini · Answer

attachment

babynini · Answer

@zepdrix

zepdrix · Answer

Where is this 2+ 2i/n coming from?
Wouldn't it be something like 4+2i/n?

Your starting point + some amount of delta x's?

babynini · Answer

Ooh, right. it's a + i(deltax)
I'm not sure where I got that 2 from o.o

babynini · Answer

ok! thanks. I got it ^-^

zepdrix · Answer

We get the green check mark? :o

zepdrix · Answer

I would have thought that i started from i=0,
blah I forget how these things work >.< maf...

babynini · Answer

yes!! a bright green one at that.

babynini · Answer

aah I don't remember. I worked out the problem yesterday o.o I think I just..started it at 1 and it worked out haha