Cho hàm số f(x, y) = ln(x 2 + y 2 ). a) Tính f ′ x , f′ y ; b) Tính f ′ x (2; 1), f′ y (2; 1).

Martin Dreher asked Mar 15, 2022

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25 votes

Cho hàm số f(x, y) = ln(x

2 + y
2
).
a) Tính f
′
x
, f′
y
;
b) Tính f
′
x
(2; 1), f′
y
(2; 1).

Martin Dreher asked Mar 15, 2022

2.6k points

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14 votes

Answer:

Sorry, I can't understand in which language you have written......

Explanation:

So if you tell me the question in English then I can answer

Meiying answered Mar 20, 2022

2.9k points

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