" (iii) "(1)/(x^(2)-x-1)

y=(x-1) (x^(2)+x+1)

If y=(x^(2)+x+1)/(x^(2)-x+1)," then "(x^(2)-x+1)^(2)y_(1)=

If h=(x^(2)-1)/(x+1)+(x^(2)-1)/(x-1) , what is x in terms of h?

The value of the integral int_(-1//2)^(1//2) {((x+1)/(x-1))^(2)+((x-1)/(x+1))^(2)-2}dx is

tan^(-1)(1-x^(2)-(1)/(x^(2)))+sin^(-1)(x^(2)+(1)/(x^(2))-1) where x!=0) is equal to

If (x^(3)+x^(2)+x+1)/(x^(3)-x^(2)+x-1)=(x^(2)+x+1)/(x^(2)-x+1), then the number of real value of x satisfying are

Show that (x^(3)+x^(2)+x+1)/(x^(3)-x^(2)+x-1)=(x^(2)+x+1)/(x^(2)-x+1) is not possible for any x varepsilon R.