A:based o
B:taken advantage of
C:reminded of
D:honored for
计算:3a﹣2a=____.
如图,已知抛物线y2=2px(p>0)的焦点F恰好是双曲线x2a2-y2b2=1的右焦点,且两条曲线的交点的连线过F,则该双曲线的离心率为( )
guī lǜ
zhèn jìng
chàn dòng
huǎng huǎng
hū hū
____
现有下列四个图象,下列反应中全部符合上述图象的反应是( )