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1.问题引出题1(2014年高考福建卷第9题)设P,Q分别为圆x~2+(y-6)~2=2和椭圆x~2/10+y~2=1上的点,则P,Q两点间的最大距离是()(A)5~(1/2).(B)46~(1/2)+2~(1/2).(C)7+2~(1/2).(D)6(2)~(1/2).
1. Problem Citation 1 (Question 9 of 2014 Fujian Entrance Examination) Suppose P and Q are respectively the circle x ~ 2 + (y-6) ~ 2 = 2 and the ellipse x ~ 2/10 + y ~ 2 = 1 The maximum distance between two points P and Q is () (A) 5 ~ (1/2) (B) 46 ~ (1/2) + 2 ~ (1/2) + 2 ~ (1/2). (D) 6 (2) ~ (1/2).