问题
填空题
双曲线
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答案
双曲线
-x2 4
=1,y2 9
∴a=2,b=3,焦点在x轴上,
故渐近线方程为 y=±
x=±b a
x,3 2
故答案为 y=±
x.3 2
双曲线
|
双曲线
-x2 4
=1,y2 9
∴a=2,b=3,焦点在x轴上,
故渐近线方程为 y=±
x=±b a
x,3 2
故答案为 y=±
x.3 2
完形填空。 | ||||
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