How do you find the length of a curve using integration?

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Sep 11, 2014

If you want to find the arc length of the graph of $y = f (x)$ $y=f(x)$ from $x = a$ $x=a$ to $x = b$ $x=b$ , then it can be found by
$L=int_a^b sqrt{1+[f'(x)]^2}dx$

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How do you find the length of a curve using integration?

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