2√5 or 5√2?

2sqrt(5)   =   5sqrt(2)      ????

Note that....if we squared both things, and they were equal to begin with, they should still be equal....so we have

4 * 5   = 25 * 2      ????

20  =   50    ????  ....  nope.....       thus.........2sqrt(5)   <  2sqrt(2)........!!!!!