1.

The expression for arc length in rectangular form is_________________

A. \(ds = \int_a^b xy \sqrt{1 + (\frac{dy}{dx})^2} \)
B. \(ds = \int_a^b \sqrt{1 – (\frac{dy}{dx})^2} \,dx \)
C. \(ds = \int_a^b \sqrt{(\frac{dy}{dx})^2} \,dx \)
D. \(ds = \int_a^b \sqrt{1 – (\frac{dy}{dx})^2} \,dx \)
Answer» E.


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