主要内容

积分学

课程 14: 用长除法和配方法来积分

使用配方法计算积分

找出 integral, start fraction, 1, divided by, x, squared, plus, 8, x, plus, 52, end fraction, d, x.

(选择 A)
start text, a, r, c, s, i, n, end text, left parenthesis, start fraction, x, plus, 4, divided by, 6, end fraction, right parenthesis, plus, C
(选择 B)
start fraction, 1, divided by, 6, end fraction, start text, a, r, c, s, i, n, end text, left parenthesis, start fraction, x, plus, 4, divided by, 6, end fraction, right parenthesis, plus, C
(选择 C)
start text, a, r, c, t, a, n, end text, left parenthesis, start fraction, x, plus, 4, divided by, 6, end fraction, right parenthesis, plus, C
(选择 D)
start fraction, 1, divided by, 6, end fraction, start text, a, r, c, t, a, n, end text, left parenthesis, start fraction, x, plus, 4, divided by, 6, end fraction, right parenthesis, plus, C

不会做了？