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# If $A$ is the area under the curve $y = e^x$ from 1 to 3, use Exercise 27 to find a value of $n$ such that $R_n - A < 0.0001$.

## $n=10000 \cdot 2 \cdot\left(e^{3}-e\right)$

Integrals

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### Video Transcript

So Exercise twenty seven tells you a row has made our minds. They will be less land B minus a over on half off being minus f off, eh? So you can estimate Unni, we want this to be last less than this. So we want this to be that zero point zero zero here one. So we want to find someone has to be greater than the inverse of this, which is Ah, I think it's ten thousand ten thousand B minus a F B minus half way. Which is ten thousand b minuses, too. From one to three sizes, too. Half demon surveys. He's e Q my C, and you can use your calculator, the federals and approximate number off this.

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