Mathematics
Undergraduate
Resolved
全微分の問題なのですが、商の微分法を使っても上手く解答に辿り着けません。何が間違っているのでしょうか?
(8)
C
de
arb
(a+b)-1-1
(a + b)²
a+b-1
(a + b)²
da
da.
(a+b)-1-1 db
(a+b)²
a+b = 1+
(a+b)²
db
(16-18) dc =
1
(a + b)²
da +
1
(a + b)²
db
Answers
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ありがとうございます!