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  4. 4. (20 pts) Find the length of the cardioid r =..

研究所、轉學考(插大)-微積分題庫

【非選題】

4. (20 pts) Find the length of the cardioid r = a(1 - cos θ), as shown in Fig 2.
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Fig. 2. The cardioid r = a(1 - cos θ).