Question 351123
{{{(T^-1 + 2T^-2)^-1/2=1/sqrt(T^-1 + 2T^-2)}}}
{{{(T^-1 + 2T^-2)^-1/2=1/sqrt(1/T + 2/T^2)}}}
{{{(T^-1 + 2T^-2)^-1/2=T^2/(T^2*sqrt(1/T + 2/T^2))}}}

{{{(T^-1 + 2T^-2)^-1/2=T/sqrt(T^2/T + (2T^2)/T^2)}}}
{{{(T^-1 + 2T^-2)^-1/2=T/sqrt(T + 2)}}}