11.设int_(1)^+infty(a)/(x(2x+a))dx=ln2,则a=____.11.设$\int_{1}^{+\infty}\frac{a}{x(
30.填空题计算int(1-2x^4)dx30.填空题(5分)计算$\int(1-2x^{4})dx$
填空题(每小题4分,本题共20分)拍照题6/15(d)/(dx)int_(-e)^-1xln(1+x^2)dx=____.填空题(每小题4分,本题共20分)拍照
设int_(-1)^13f(x)dx=18,int_(-1)^3f(x)dx=4,int_(-1)^3g(x)dx=3。则int_(-1)^3(1)/(5)[4
11.填空题-|||-计算: ((ab))^4=
11.[考点2、3、4] (int )_(-3)^3((sin )^5x+dfrac (1)(2))dx= ___3 ___.
3.填空题.-|||-(4) int df(x)= () .
24.[填空题]int_(-1)^1x^2sin xdx=____24.[填空题]$\int_{-1}^{1}x^{2}\sin xdx=$____
int_(-4)^4(sqrt(16-{{x)^2)}dx}(=)__________$\int_{-4}^{4}{\sqrt{16-{{x}^{2}}}dx}
4.判断题 int_(a)^bf(x)dx+int_(b)^af(x)dx=0 ( )A. 对B. 错