Question 94112
The given expression is: 


{{{(w-1/4)^2}}} 


This is of the form of {{{(a - b)^2 }}} which expands in this way {{{(a^2 - 2ab  + b^2)}}}


So expanding the given expression by using the above formula, we get: 



{{{(w-1/4)^2}}} =  {{{(w^2 - 2(w)(1/4) + (1/4)^2)}}} 


= {{{(w^2 - (w)(1/2) + (1/16))}}}