△ABC中P为内心,若AB、BC、CA分别为a、b、c(向量),λ((a/|a|)+(c/|c|))=向量AP,求λλ=(|a||b|)/(|a|+|b|+|c|) 怎么求?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/19 20:13:51
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