Question

双曲线y ＝(a x +b )/(c x +d )的渐近线和对称中心的求法

Answer 1

双曲线y ＝(a x +b )/(c x +d )

=a/c+(bc-ad)/[c(cx+d)],

c(bc-ad)≠0时渐近线是x=-d/c,y=a/c,

对称中心是(-d/c,a/c).