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Posted by Denise on Saturday, September 11, 2010 at 1:26pm.

Find the arc length of the graph of y = x from x = 0 to x = 3 using calculus.

∫ √[1 + (dx/dy)^2] dx (from a to b) first, take the derivative of x and plug it into dx/dy, square that then, add 1 and square root it last, take the antiderivative

and of course, plug in the numbers

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