int dfrac (x+5)({x)^2-6x+13}dx=-|||-__-|||-_________._______.
填空:-|||-(1) int (x)^3(e)^xdx= __ ;-|||-(2) int dfrac (x+5)({x)^2-6x+13}dx= __
定积分(int )_(0)^1dfrac (2)({e)^-x+5}dx=_____.定积分_____.
求下列不定积分 int dfrac (dx)(2sin x-cos x+5)求下列不定积分
int dfrac (5x-1)({x)^2-x-2}dx= (.A.int dfrac (5x-1)({x)^2-x-2}dx= (B.int dfrac (
int dfrac (x+1)({x)^2+4x+13}dx
(17) int dfrac (2cdot {3)^x-5cdot (2)^x}({3)^x}dx-|||-(18) (int )_(e)^exe(sex-ta
设(int )_(-1)^13f(x)dx=9 , (int )_(-1)^13f(x)dx=9 , (int )_(-1)^13f(x)dx=9， 则 (in
(13)int(dx)/(xsqrt(x^2)-1);(13)$\int\frac{dx}{x\sqrt{x^{2}-1}};$
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