Question

函数f(x)=x/根号下x2-1的渐近线有几条

Answer 1

四条

x->+∞,y->+1

x->-∞,y->-1

x->1,y->+∞

x->-1,y->-∞

如图,四条渐近线分别是 x=1,x=-1,y=1,y=-1