Question 178899
2y^-4y+3: where y=1/2
:
{{{2(1/2)^(-4(1/2))+3}}}
:
{{{2(1/2)^-2+3}}}
:
{{{2/2^2-3}}}
:
{{{2/4-3}}}
:
{{{1/2-3}}}
:
{{{-5/2}}}