Question 1044669
{{{lim(x->infinity, sqrt(3x^4+5x^2+7x+5)/(4x^2))}}}

={{{lim(x->infinity, sqrt(3x^4/x^4+5x^2/x^4+7x/x^4+5/x^4)/4)}}}

={{{lim(x->infinity, sqrt(3+5/x^2+7/x^3+5/x^4)/4)}}}

={{{sqrt(3)/4}}}.