五.计算积分int_(-1)^1dyint_(1+sqrt(1-y^2))^sqrt(2-y^(2))(sqrt(x^2)+y^(2)+sin^3y)dx五.(
17.计算定积分int_(0)^sqrt(2)(x^2)/(sqrt(4-x^2)) dx.17.计算定积分$\int_{0}^{\sqrt{2}}\frac{
269 int_(0)^1dyint_(y)^1sqrt(x^2)-y^(2)dx的值为A. $\frac{\pi}{3}$.B. $\frac{\pi}{6}
2.计算定积分int_(0)^1ln(1+sqrt(x))dx.2.计算定积分$\int_{0}^{1}\ln(1+\sqrt{x})dx$.
(6) int_((1)/(sqrt(2)))^1(sqrt(1-x^2))/(x^2)dx;(6) $\int_{\frac{1}{\sqrt{2}}}^{1
.int dfrac (sqrt {1+{x)^2}+sqrt (1-{x)^2}}(sqrt {1-{x)^4}}dx.
13.计算int x^2sqrt(1+x^2)dx.13.(本题满分10分)计算$\int x^{2}\sqrt{1+x^{2}}dx$.
例4 (2017,数二)积分int_(0)^1dyint_(y)^1(tan x)/(x)dx=____.例4 $(2017,数二)积分\int_{0}^{1}
14、计算定积分int_(1)^e(ln^2x)/(x)dx.14、计算定积分$\int_{1}^{e}\frac{\ln^{2}x}{x}dx$.
计算定积分(int )_(0)^1dfrac (x)(x+1)sqrt (1-{x)^2}dx.计算定积分.