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

Question

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).

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Eirian 3 years 2021-08-01T06:19:06+00:00 1 Answers 13 views 0

Answers ( )

  1. Calantha
    0
    2021-08-01T06:21:05+00:00
    Reply

    Answer:

    Sorry, I can’t understand in which language you have written……

    Step-by-step explanation:

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

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