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研究所、轉學考(插大)-應用數學
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92年 - 92 淡江大學 轉學考 應用數學#56102
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1. Consider the conic 5x
2
-4xy + 2y
2
=30，find the principal axes of the conic and express the conic in the principal axes. (10 points)
其他申論題
【已刪除】2.(20%)考慮圖二的理想放大器電路，求vo/vi=?
#213023
【已刪除】3.(20%)考慮圖三的電路，若開關已經閉合一段很長的時間，並於t= 0時打開。求t＞0時的i(t)。
#213024
【已刪除】4. (20%)考慮圖四的交流電路，求v0(t)。
#213025
【已刪除】5. (20%)考慮圖五的交流電路，求a-b兩端間的戴維寧等效電路。
#213026
【已刪除】2. Suppose that displacement as a function of time for a moving particle is , find the equations of the line tangent to the curve described by the particle and the plane normal to this curve at (4, -4，8). (15 points)
#213028
【已刪除】3. Use the method of contour integration to evaluate the integral (15 points)
#213029
4. Solve the following differential equation (15 points) x2y'' - 2xy' + 2y = xlnx.
#213030
5.Given f{x) = sinx, 0 ＜x ＜π，expand f(x) in Fourier cosine series. (15 points)
#213031
【已刪除】6. Given Where S is the surface bounded by z = 0, z = 5, and x2 + y2 = 16 in the lsl quadrant. (15 points)
#213032
【已刪除】7. Solve the following partial differential equation with given boundary conditions. (15 points)
#213033
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