Evaluate :

`int( e^( logx ) )` dx

Evaluate : int(logx)^(2)dx .

Evaluate : int e^([log(x+1)-logx])dx

Evaluate : int(e^(5logx)-e^(4logx))/(e^(3logx)-e^(2logx))dx .

Evaluate int sin(logx)dx .

Evaluate : int_(a)^(b)(logx)/(x) dx .

Evaluate : int_1^3 cos( logx )/x dx

Evaluate: int1/(xlogxlog(logx))dx

Evaluate : (i) int(logx)/(x)dx (ii) int(sec^(2)(logx))/(x)dx (iii) (e^(tan^(-1)x))/((1+x^(2)))dx (iv) int(sinsqrt(x))/(sqrt(x))dx

Evaluate: inte^(3logx)(1+x^4)^-1dx

Evaluate int_(1)^(2)(logx)/(x)dx