[题目]求不定积分: (int )(cos )^2dfrac (x)(2)dx
求不定积分int dfrac (2{x)^2cos 4x-3}({x)^2}dx求不定积分
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
求下列不定积分:-|||-(22) int dfrac (cos 2x)({cos )^2x(sin )^2x}dx ;
求下列不定积分 int dfrac (dx)(2sin x-cos x+5)求下列不定积分
计算不定积分int dfrac (2cos dfrac {1)(x)}({x)^2}dx计算不定积分
4.计算下列不定积分.-|||-(6)int dfrac (sin dfrac {1)(x)}({x)^2}dx
求下列不定积分:-|||-(2) int dfrac (1)({x)^2+2x+2}dx;
求下列不定积分。-|||-int dfrac (1)(5-2x)dx