△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：2024/09/03 18:15:56
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