精華區beta ck54th310 關於我們 聯絡資訊
find an equation of the tangent to the given curve at the given point!! x*sin(xy-y^2)=x^2-1 at(1,1) -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 140.138.241.146