[微分] 幫忙一下
我想問一下這題
這題我知道是要用lagrenge來做
但是卻不知道哪一個應該當constrant
可以幫我解惑一下嗎?
Let D be the surface x^2 + 4y^2 + 4z^2 = 16 and the temperature at the
point (x,y,z) on D is T(x,y,z) = 8y^2 + 4xy - 16z + 400. Find the higest
and lowest temperatures on the surface. (20%)
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