討論串[微分] 2題求救...
共 3 篇文章
首頁
上一頁
1
下一頁
尾頁
內容預覽:
2.. Show that the sum of the x- and y-intercepts of. any line tangent to the graph of. (1/2) (1/2) (1/2). x + y = c. is constant and equal to c.. --.
(還有160個字)
內容預覽:
grad A: 2x i -2y j. grad B: 8x i + 18y j. 二方程式聯立. 13x^2 = 117. => x^2 = 9. grad A dot grad B = 16x^2 - 36y^2. = 16x^2 - 36(x^2-5). = -20x^2 + 180. = 0
(還有161個字)
內容預覽:
1.. Show that. the hyperbola x^2-y^2=5. and. the ellipse 4x^2+9y^2=72. are orthogonal.. 2.. Show that the sum of the x- and y-intercepts of. any line
(還有47個字)
首頁
上一頁
1
下一頁
尾頁