下面平面上的哪个点，它到<img src="http://jgxm-question.oss-cn-beijing.aliyuncs.com/psst/files/297900be0a2f47a3acb28925be5569dc.png?x-oss-process=image/sharpen,200"/>个定点<img src="http://jgxm-question.oss-cn-beijing.aliyuncs.com/psst/files/c0673dab159a4a92ae52b1776ca227a7.png?x-oss-process=image/sharpen,200"/>的距离之平方和最小( ).