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研究所、轉學考(插大)-微積分
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110年 - 110 國立臺灣大學_碩士班招生考試_大氣科學研究所乙組:微積分(A)#102182
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6. (10 pts) Find the critical points of f(x, y), where z = f(x, y) satisfies the equation yz+x Iny = z
2
. Are these critical points local maxinum, local minimum, or saddle points?
其他申論題
(c) (6 pts) Write Ina dx as the sum of a series. Thus, wecan use its partial sums to estim mate the integral.
#429804
4. (10 pts) Find the twice differentiable function f(x) such that
#429805
(a) (5 ps), the gradient of f.
#429806
(b) for (x, y)≠ (0,0) and f(0,0) = 0. Compute the directional derivative of f along u = (cosθ, sin θ) at (0,0).
#429807
(a) (7 pts)
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(b) (8 pts)
#429810
8. (10 pts) Let S be the part of the cylinder x2+y2 = 2y that lies in the sphere x2 +y2 +z2 = 4 and inside the first quadrant. Compute
#429811
1. 三人成虎。
#429812
2. 美輪美奐。
#429813
3. 明日黃花。
#429814
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