[多變] 判斷極值
Find the local maxima and minima for f(x, y) = (x^2+3y^2)e^(1-x^2-y^2)
想請問一下,遇到這種裡面有e的題目時該怎麼做,在求使fx與fy = 0的點時就不會解了......
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