双曲线分类 A=12 B=5是不是分四种?x^2/144-y^2/25=1x^2/25-y^2/144=1y^2/25-x^2/144=1y^2/144-x^2/25=1那到底是几种啊....我觉的是4种....
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![双曲线分类 A=12 B=5是不是分四种?x^2/144-y^2/25=1x^2/25-y^2/144=1y^2/25-x^2/144=1y^2/144-x^2/25=1那到底是几种啊....我觉的是4种....](/uploads/image/z/12994390-46-0.jpg?t=%E5%8F%8C%E6%9B%B2%E7%BA%BF%E5%88%86%E7%B1%BB+A%3D12+B%3D5%E6%98%AF%E4%B8%8D%E6%98%AF%E5%88%86%E5%9B%9B%E7%A7%8D%3Fx%5E2%2F144-y%5E2%2F25%3D1x%5E2%2F25-y%5E2%2F144%3D1y%5E2%2F25-x%5E2%2F144%3D1y%5E2%2F144-x%5E2%2F25%3D1%E9%82%A3%E5%88%B0%E5%BA%95%E6%98%AF%E5%87%A0%E7%A7%8D%E5%95%8A....%E6%88%91%E8%A7%89%E7%9A%84%E6%98%AF4%E7%A7%8D....)
双曲线分类 A=12 B=5是不是分四种?x^2/144-y^2/25=1x^2/25-y^2/144=1y^2/25-x^2/144=1y^2/144-x^2/25=1那到底是几种啊....我觉的是4种....
双曲线分类
A=12 B=5
是不是分四种?
x^2/144-y^2/25=1
x^2/25-y^2/144=1
y^2/25-x^2/144=1
y^2/144-x^2/25=1
那到底是几种啊....
我觉的是4种....
双曲线分类 A=12 B=5是不是分四种?x^2/144-y^2/25=1x^2/25-y^2/144=1y^2/25-x^2/144=1y^2/144-x^2/25=1那到底是几种啊....我觉的是4种....
其实就两种,焦点在x轴的和焦点在y轴的
你把a和b互换,只不过是变了一下开口的大小,其实质并没有变啊……
双曲线公式有吧,带进去看,就是你写的这4种