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课程 2: 更多关于链式法则的练习

链式法则整合

给定函数 f, left parenthesis, x, right parenthesis, equals, log, start base, 3, end base, left parenthesis, x, minus, 4, x, squared, right parenthesis。

求导 f, prime, left parenthesis, x, right parenthesis。

(选择 A)
start fraction, 1, minus, 8, x, divided by, left parenthesis, x, minus, 4, x, squared, right parenthesis, natural log, left parenthesis, 3, right parenthesis, end fraction
(选择 B)
start fraction, 1, minus, 8, x, divided by, x, minus, 4, x, squared, end fraction
(选择 C)
start fraction, 1, minus, 8, x, divided by, left parenthesis, x, minus, 4, x, squared, right parenthesis, log, start base, 3, end base, left parenthesis, x, right parenthesis, end fraction
(选择 D)
start fraction, 1, divided by, left parenthesis, x, minus, 4, x, squared, right parenthesis, natural log, left parenthesis, 3, right parenthesis, end fraction

不会做了？