试题与答案

已知a是实数,直线2x-y+5=0与直线x-y+a+4=0的交点不在椭圆x2+2

题型:解答题

题目:

已知a是实数,直线2x-y+5=0与直线x-y+a+4=0的交点不在椭圆x2+2y2=11上,求a的取值范围.

答案:

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