求下列不定积分:-|||-(2) int dfrac (1)({x)^2+2x+2}dx;

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 (1+2{x)^2}({x)^2(1+(x)^2)}dx ;

求下列不定积分：int dfrac (x+1)({x)^2+2x+5}dx;求下列不定积分：;

2.求下列不定积分.-|||-(2) int dfrac (1)((1+2x)(1+{x)^2)}dx;

求下列不定积分int dfrac ({x)^2}(sqrt {4-{x)^2}}dx求下列不定积分

求下列不定积分。-|||-int dfrac (1)(5-2x)dx

【题目】-|||-求下列不定积分:-|||-int dfrac (x+2)({x)^2sqrt (1-{x)^2}}dx ;

[题目]-|||-求下列不定积分:-|||-int dfrac (x+2)({x)^2sqrt (1-{x)^2}}dx;

求不定积分int (x)^2(ln x-dfrac (1)(1+{x)^2})dx.求不定积分.

求不定积分int dfrac (1)(xsqrt {{x)^2-1}}dx。求不定积分。