设F为抛物线y2=4x的焦点，A，B，C为该抛物线上不同的三点， FA→ + FB→ + FC→ = 0→ ，O为坐标原点，且△OFA、△OFB_刷题宝

题干

设F为抛物线y²=4x的焦点，A，B，C为该抛物线上不同的三点， FA→ + FB→ + FC→ = 0→ ，O为坐标原点，且△OFA、△OFB、△OFC的面积分别为S₁、S₂、S₃，则S₁²+S₂²+S₃²=（）

A：2

B：3

C：6

D：9

上一题下一题 0.0难度选择题更新时间:2020-03-29 13:26:54

答案(点此获取答案解析）

B

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