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96年 - 96 中原大學_轉學生招生入學考試 _理工群組二、化學群組二、資工二：微積分#124601
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2. Find all relative extrema and saddle points of f(x, y) = x
2
+ y
4
– 4xy + 1.
其他申論題
8.=________
#529989
9.=________
#529990
10. If f(x,y) =, then =________
#529991
二、計算題: 1. Find the radius and interval of convergence for the series .
#529992
3. Find the integral , where R is the trapezoidal region with vertices (1, 0), (2, 0), (0, -2), and (0, -1).
#529994
1.(a)=________
#529995
(b)=________
#529996
2. The equation of the normal line for x3-xy+3y2=3 at is _________
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3. Let x2 sin(x2)=, then =_________
#529998
4. The directional derivative of f(x,y,z)= at (1,2,-2) in the direction of the path is ________
#529999
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