Finding Arc Length of f(x) = (4-x^2)^(1/2)

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ruri
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Homework Statement



What is the arc length of f(x) = (4-x^2)^(1/2)?

Homework Equations





The Attempt at a Solution

 
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Discussion

Just use the formula for arc length. And take note of the endpoints of the arc. You can get those from inspection.
 

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