2.求下列不定积分:-|||-(1) int dfrac (dx)({x)^2};-|||-(2) int xsqrt (x)dx; 2.求下列不定积
求下列不定积分int dfrac ({x)^2}(sqrt {4-{x)^2}}dx求下列不定积分
求不定积分int dfrac (2{x)^2cos 4x-3}({x)^2}dx求不定积分
求下列不定积分:int dfrac (x+1)({x)^2+2x+5}dx;求下列不定积分:;
求下列不定积分:-|||-(2) int dfrac (1)({x)^2+2x+2}dx;
4.求不定积分int(x+1)/((x-1)(x^2)+1)^(2)dx.4.求不定积分$\int\frac{x+1}{(x-1)(x^{2}+1)^{2}}d
不定积分 int dfrac (x+1)({x)^2-2x+4}dx=-|||-___________._________.
求下列不定积分。-|||-int dfrac (1)(5-2x)dx
求下列不定积分:-|||-int dfrac (1+2{x)^2}({x)^2(1+(x)^2)}dx ;
[题目]求不定积分: (int )(cos )^2dfrac (x)(2)dx