How do you find the arc length of the curve $f(x)=e^x$ from [0,20]?

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Answer 1 · 2015-10-09T12:49:11

I found $~~5xx10^8$ but have a look at my maths and check.

Try this:
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The non-rounded value I found was $4.852xx10^8$ .

How do you find the arc length of the curve f(x)=e^x f(x)=e^x from [0,20]?