作者chat543 (小ㄐ)
看板trans_math
标题[微分] 切线方程式
时间Tue Jun 17 15:46:12 2008
The graph of x^2/3 + y^2/3 = 1 , is called a hypocycloid,
(a)find equations of the tangent lines to the graph at the points
corresponding to x= 1/8
应该是先为分再带入x
但是他没给y的座标
那我该怎麽求?
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1F：推 doa2:当然是把1/8带入原来的式子 得到y=(3根号3)/8 219.84.128.123 06/17 16:26
2F：→ chat543:喔喔~= =~又耍白痴了XDDD125.229.193.150 06/17 20:28