For a complete lesson on multiplying square roots, go to http://www.MathHelp.com – 1000+ online math lessons featuring a personal math teacher inside every lesson! In this lesson, students learn to multiply radicals by multiplying the numbers that are outside the radicals together, and multiplying the numbers that are inside the radicals together. The next step is to break down the resulting radical, and multiply the number that comes out of the radical by the number that is already outside.

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10.4 Areas and Lengths in Polar Coordinates 授課教師：應用數學系 莊重老師 課程資訊：http://ocw.nctu.edu.tw/course_detail.php?bgid=1&gid=1&nid=501 授權條款：Creative Commons BY-NC-SA 3.0 更多課程歡迎瀏覽交大開放式課程網站：http://ocw.nctu.edu.tw/

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