Question 4485
if you have {{{C = (W^2L^3)/(24T^2)}}}, then rearranging for W, gives:


{{{W^2 = (24CT^2)/(L^3)}}}


then {{{W = +sqrt((24CT^2)/(L^3))}}} OR {{{W = -sqrt((24CT^2)/(L^3))}}}


Remember, taking a square root ALWAYS generates 2 answers!


So, i have no idea what your book is quoting.


jon