过点p(根号10/2,0)做倾斜角为a的直线与曲线x^2+12y^2=1交于点m,n,求pm的模乘以pn的模的值和相应的a的值我今天需要知道答案,谢谢你们了.
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/08 09:14:16
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