已知P为AB上一点,且AP^2=BP×AB,则BP/AP=__________需要详解
热心网友
AP^2=BP×AB=(AB-AP)×ABAP=(√5-1)AB/2BP=AB-AP=AB-(√5-1)AB/2=(3√5-1)AB/2BP/AP=(√5-1)/2
已知P为AB上一点,且AP^2=BP×AB,则BP/AP=__________需要详解
AP^2=BP×AB=(AB-AP)×ABAP=(√5-1)AB/2BP=AB-AP=AB-(√5-1)AB/2=(3√5-1)AB/2BP/AP=(√5-1)/2