Question 110612
Question:

sqrt{25y^2-10y+1}   Simplify.


Answer:


{{{sqrt(25y^2-10y+1)}}}


 


{{{sqrt((5y)^2-10y+1)}}}, which is of the form, {{{sqrt(a^2 + 2ab + b^2)}}}



==> {{{sqrt((5y)^2-2*5y*1+1^2)}}}



==> {{{sqrt((5y-1)^2)}}}



==> {{{ 5y - 1}}}, which is the simplified form....




Hope you foound it useful.


Regards.


Praseena.