求下列不定积分:-|||-(22) int dfrac (cos 2x)({cos )^2x(sin )^2x}dx ;
求不定积分int dfrac (2{x)^2cos 4x-3}({x)^2}dx求不定积分
14.int(sin x+3cos x)/(2sin x+cos x)dx=____14.$\int\frac{\sin x+3\cos x}{2\sin x+
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 (e)^x((3)^x+dfrac ({e)^-x}({sin )^2x})dx-|||-__.计算不定积分.
不定积分 int (dfrac (1)({x)^2}+2sin x+dfrac (1)(x))dx= ( )不定积分 ()A.B.C.D.
5.求不定积分 int dfrac ({sin )^2x}(1+{sin )^2x}dx.
求下列不定积分:int dfrac (2x+3)({x)^2+3x-10}dx.求下列不定积分:.
求不定积分int dfrac (1)(2x)sqrt (ln x)dx=().int dfrac (1)(2x)sqrt (ln x)dx=int dfrac
求下列不定积分:-|||-int dfrac (2cdot {3)^x-5cdot (2)^x}({3)^x}dx =