- #1
sepah50
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Homework Statement
Find the arclength of the section y=x2 between points (-2,2) and (2,4)
Homework Equations
L = [tex]\int\sqrt{(\frac{dx}{dt})^2+(\frac{dy}{dt})^2}[/tex]
The Attempt at a Solution
So what I did first is find the derivative of y=x2 which is y'=2x
So I put that into the formula and get [tex]\int\sqrt{1+4x^2}[/tex] from limit point 1 to 4
From this point on I attempted to do u-substitution but it didn;t seem to work.. Anyone have any suggestions o how I can get it done?
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