a Consider a curvey fz ie NOT a parametric curve show that

(a) Consider a curvey =f(z ( ie NOT a parametric curve ), show that the arc length from z b is a to dy (b) Using the abover and the chain rule of caleudus dervive the are length tormula seen in your hotes for a 6 parametric eurve r(t) = (x(y(t).

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