[" If "int xe^(x)cos xdx=ae^(x)(b(1-x)sin x+cx cos x)+d_(1)db],[" (I) "a=1,b=1,c=-1]

"If " int x e^(x) cosx dx=ae^(x)(b(1-x)sinx+cx cosx)+d, then

"If " int x e^(x) cosx dx=ae^(x)(b(1-x)sinx+cx cosx)+d, then

"If " int x e^(x) cosx dx=ae^(x)(b(1-x)sinx+cx cosx)+d, then

If int xe^(x)cos xdx=ae^(x)(b(1-x)sin x+cx cos x)+d, the a=1,b=1,c=-1a=(1)/(2),b=-,c=1a=1,b=-1,c=1a=(1)/(2),b=1,c=-1

int(x+1)cos xdx

int(1+sin x)^(3)cos xdx

int x cos^(-1)xdx

1. int x sin x cos xdx

" 1.(a) "int sin^(4)x cos xdx

int(cos2xdx)/(1+sin x cos x)