[微分] 一题渐进线

楼主: anger50322 (江)   2014-04-30 23:45:33
plot the function y=x+(1/x ) on a x-y plane
我找不到y=x的那条渐进线?!其他的都算的出来
请问要怎么用数学式子找出??
http://i.imgur.com/8f8Wqhh.jpg

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