`(x^2-x-1)(x^2-x-7)<-5`

Evaluate the following: lim_(xtoinfty)(3x^2+x-1)/(2x^2-7x+5)

underset(x to oo)lim (3x^(3)+x^(2)-1)/(x^(2)-x+7)=

lim_(xrarrinfty)(sqrt(x^2-2x-1)-sqrt(x^2-7x+3)) is equal to

Evaluate the following limit: (lim)_(x->+-oo)(sqrt(x^2-2x-1)-sqrt(x^2-7x-3))

The domain of the function f(x)=sqrt(((sinx-e^(x))(cosx-3)("In"x+2))/((x^(4)-x+1/2)(2x-7)^(30))) belongs to

The domain of the function f(x)=sqrt(((sinx-e^(x))(cosx-3)("In"x+2))/((x^(4)-x+1/2)(2x-7)^(30))) belongs to

If (x^(2) - x - 1)^(x^(2) - 7x + 12) = 1 then

If (x^(2) - x - 1)^(x^(2) - 7x + 12) = 1 then

If x is real, then the range of (x^(2)+2x+1)/(x^(2)+2x+7) is

The expression (x^(2)+2x+1)/(x^(2)+2x+7) lies in the interval; (x in R)