Question

JamesJ, Is it time to reveal the answer? agdgd...wngo has it too, I think.
http://openstudy.com/groups/mathematics#/groups/mathematics/updates/4e877a6b0b8b7ce881d3f499?1309898037656

Answer 1

Please reveal it :-(

Answer 2

Step 3: There is no rule that guarantees that the expression below is true except in the case in which a and b are both positive:\[\sqrt{\frac{a}{b}}=\frac{\sqrt{a}}{\sqrt{b}}\]