Cho hàm số f(x, y)=
a/ tính vi phân cấp 1 của hàm số tại (1,1)
b/ tính các đạo hàm riêng cấp...
Mathematics, 16.06.2021 09:40 imran2k13
Cho hàm số f(x, y)= 
a/ tính vi phân cấp 1 của hàm số tại (1,1)
b/ tính các đạo hàm riêng cấp 2 của hàm số tại (1,1)
c/ chứng minh rằng không tồn tại lim(x, y)->(0,0) f(x, y)
giúp mình nha
Answers: 2
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