首页
设F为抛物线y2=4x的焦点,A,B,C为该抛物线上三点,若,则=________.
试题详情
设F为抛物线y
2=4x的焦点,A,B,C为该抛物线上三点,若
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAG4AAAAWCAYAAAAhKqlXAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
,则
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGoAAAAWCAYAAAAowQktAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
=________.
相关试题
-
设F为抛物线y2=4x的焦点,A,B,C为该抛物线上三点,若
,则
=________.
-
设F为抛物线y2=4x的焦点,A,B,C为该抛物线上三点,若
,则
=________.
-
设F为抛物线y2=4x的焦点,A,B,C为该抛物线上三点,若
,则
=________.
-
设F为抛物线y2=4x的焦点,A,B,C为该抛物线上三点,若
,则
=________.
-
设F为抛物线y2=4x的焦点,A,B,C为该抛物线上三点,若
,则
=________.
-
设F为抛物线y2=4x的焦点,A,B,C为该抛物线上三点,若
,则
=________.
-
设F为抛物线y2=4x的焦点,A,B,C为该抛物线上三点,若
,则
=________.
-
设F为抛物线y2=4x的焦点,A,B,C为该抛物线上三点,若
=0,则
的值为( )
A.3
B.4
C.6
D.9
-
设F为抛物线y2=4x的焦点,A,B,C为该抛物线上三点,若
=0,则
的值为( )
A.3
B.4
C.6
D.9
-
设F为抛物线y2=4x的焦点,A,B,C为该抛物线上三点,若
=0,则
的值为( )
A.3
B.4
C.6
D.9