所屬科目：研究所、轉學考(插大)-微積分
(a) Find the gradient of f at the point .
(b) Find the equation of the tangent plane to the graph of f at the point .
(c) Let = (-3,4) be a vector. Find the directional derivative of f at the point in the direction of .
3. Let Ω =. Evaluate the double integral:
4. Evaluate the iterated integral:
(b) Evaluate for all (x,y).
(c) Evaluate .
(a)
(b)
8. Find the interval of convergence of the power series :
阿摩線上測驗
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阿摩線上測驗
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of f at the point 
.
.
= (-3,4) be a vector. Find the directional derivative of f at the point 
in the direction of 
. 
. Evaluate the double integral:
for all (x,y).
.
