tan((x-x^(-1))/(x+x^(-1)))

e ^(tan^(-1)x)((1 + x+ x^(2))/(1 + x^(2)))

The value of inte^(tan^(-1)x)((1+x+x^(2)))/((1+x^(2)))dx is

If I_(1)=lim_(xto 0)sqrt((tan^(-1)x)/x-(sin^(-1)x)/x) and I_(2)=lim_(xto0)sqrt((sin^(-1)x)/x-(tan^(-1)x)/x) , where |x|lt1 , which of the following statement is true?

int_(-1)^(1)e^(tan^(-1)x)((1+x+x^(2))/(1+x^(2)))dx

The value of lim_(x rarr 1) (tan^(2)(x-1))/(x^(3)-x^(2)-x+1) =

The value of [lim_(x rarr1)(tan^(2)(x-1))/(x^(3)-x^(2)-x+1)]

int e^(tan^(-1)x)((1+x+x^(2))/(1+x^(2)))dx

int e^(tan^(-1)x)*((1+x+x^(2))/(1+x^(2)))dx