int dfrac (x)(sqrt {2-3{x)^2}}dx

int dfrac (x)(sqrt {2-3{x)^2}}dx

int dfrac (x)(sqrt {2-3{x)^2}}dx。。

(3) int dfrac (x)(sqrt {2-3{x)^2}}dx;

(12) int dfrac (x)(sqrt {2)-3(x)^2}dx;

求不定积分int dfrac (1)(2x)sqrt (ln x)dx=（）.int dfrac (1)(2x)sqrt (ln x)dx=int dfrac

int dfrac ({x)^3}(sqrt {1+{x)^2}}dx,

(int )_(1)^sqrt (3)dfrac (dx)({x)^2sqrt (1+{x)^2}};

计算积分(int )_(dfrac {1)(2)}^dfrac (3{2)}dfrac (dx)(sqrt {|x-{x)^2|}}.(本题满分6分)计算积分.

(3) int dfrac (dx)(sqrt [3]{2-3x)}

(int )_(-infty )^+infty (x)^2(e)^-a(x^2)dx=dfrac (1)(2)sqrt (dfrac {pi )({a)^3}}