I'm having problem with this problem. I've attached a picture, because I cannot figure out how to simplify this down to typing.

I've tried just about everything our teacher has taught/shown us, but I'm coming up with wrong answers.

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- Nov 30th 2009, 10:48 AMVelvet LoveRiemann Sum to an integral
I'm having problem with this problem. I've attached a picture, because I cannot figure out how to simplify this down to typing.

I've tried just about everything our teacher has taught/shown us, but I'm coming up with wrong answers. - Nov 30th 2009, 11:28 AMadkinsjr
Remember the general form of this:

In this case, the since . In the case that we have:

The

However, you're given , so what do you have to do to to get instead of ? - Nov 30th 2009, 11:33 AMVelvet Love
You could multiply by 3? I just got the answer right after you replied. Thanks though. The way I did it, it didn't really stick in my head. But after reading this I feel like I've learned something. Thanks.