Question 53691
{{{ (sqrt(1 + x^2)) + (1)/(sqrt(1 + x^2)) }}}
{{{ (sqrt(1 + x^2))^2/(sqrt(1 + x^2)) + (1)/(sqrt(1 + x^2)) }}}
{{{ (sqrt(1 + x^2)^2 + 1)/(sqrt(1 + x^2)) }}}
{{{ ((x^2 + 2)(sqrt(x^2 + 1)))/(sqrt(x^2 + 1)^2) }}}
{{{ (x^2*sqrt(x^2 + 1) + 2*sqrt(x^2 + 1))/(x^2 + 1) }}}