The value of `(x-1/x) (x+1/x)(x^2+1/{x^2})=`

If x^2+x+1=0 then the value of (x+1/x)^2+(x^2+1/(x^2))^2+...+(x^27+1/(x^27))^2 is

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

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

Find value of (x+(1)/(x))^(3)+(x^(2)+(1)/(x^(2)))^(3)+"........"+(x^(n)+(1)/(x^(n)))^(3) .

If x = sqrt((n-1)/(n+1)) , find the value of (x/(x-1))^2+(x/(x+1))^2

If x+1/x=sqrt(5) , find the values of x^2+1/(x^2) and x^4+1/(x^4)

The value of int_(1)^(2)(x^(2)+1)/(x^(4)-x^(2)+1)log(1+x-1/x)dx is

If x^2+1/(x^2)=18 , find the values of x+1/x and x-1/xdot

The value of int_(-1)^(1) (log(x+sqrt(1+x^(2))))/(x+log(x+sqrt(1+x^(2))))f(x) dx-int_(-1)^(1) (log(x +sqrt(1+x^(2))))/(x+log(x+sqrt(1+x^(2))))f(-x)dx ,

If x<0 , then write the value of cos^(-1)((1-x^2)/(1+x^2)) in terms of tan^(-1)x