精華區beta FJU_CLASS 關於我們 聯絡資訊
下學期期中考 沒答案喔 因為我還沒修看無 1.y=2xy'+(y^2)(y'^3) please solve y(x) 2.given a curve C:y=x^2, please find a member of the family of involutes of C. 3.xy(y'')-x(y'^2)=x√(y^2+y'^2) please find y(x) 4.((5x+1)^2)y''+(25x^2-65x-14)y'+75y=0 please find the series solution of y(x) at x=-1/5 5.送分 題目出錯的樣子 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 218.167.79.24