M2 Determinants q3

👨🏻‍🏫 學術台數學

2013-01-22 3:03 pm

好心人Pls. help help幫幫忙牙?因為在下只是小學級(可憐不能用HTML功能), 麻煩請看連結Tks.

https://picasaweb.google.com/108632853947979418297/Determinants3?authkey=Gv1sRgCMWavNOl7_TG_QE

回答 (1)

2013-01-23 3:56 am

✔ 最佳答案

area = AB X AC /2
= det( i j k)
(x2-x1 y2-y1 0) 除2
(x3-x1 y3-y1 0)

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收錄日期: 2021-04-16 15:30:51
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