1.∫(e200x+e202x)/(ex+e-x)dx.
2.∫ex[(2-sin2x)/(1-cos2x)]dx
3.∫[x5]/[(x2+x+1)(x6+1)(x4-x3+x-1)]dx
4.∫[x3+2x2+x+2]/[(x2+1)1/2]dx
5.∫dx/(5-13sinx)
6.∫dx/(a2-b2cos2x) a2>b2
1.∫(e200x+e202x)/(ex+e-x)dx.
2.∫ex[(2-sin2x)/(1-cos2x)]dx
3.∫[x5]/[(x2+x+1)(x6+1)(x4-x3+x-1)]dx
4.∫[x3+2x2+x+2]/[(x2+1)1/2]dx
5.∫dx/(5-13sinx)
6.∫dx/(a2-b2cos2x) a2>b2