" Evaluate "int((1)/(1-x^(2))+(1)/(1+x^(2)))dx

Evaluate : int(1)/(1+x^(2))dx

Evaluate inte^(x+(1)/(x))(1-(1)/(x^(2))) dx

Evaluate the integerals. int ((1)/(1-x^(2))+(1)/(1+x^(2))) dx " on " (-1,1) .

Evaluate : int_(-1)^(1)(x^(2))/(1+x^(2))dx

Evaluate: int(dx)/((1+x^(2))sqrt(1-x^(2))

.Evaluate: int(1)/((1-x)(1+x^(2)))dx

Evaluate : "int((x^(2)-x+1))/((x^(2)+1))dx

Evaluate : (i) inte^(x)((1)/(x)-(1)/(x^(2)))dx (ii) inte^(x)((1)/(x^(2))-(2)/(x^(3)))dx (iii) inte^(x){sin^(-1)x+(1)/(sqrt(1-x^(2)))}dx (iv) inte^(x)(tanx+logsecx)dx