Originally posted by CoolMyth:
Now, think about this, what if we say the whole thing is like
this:
(-2)^2 = x^2 = 4
--> (-2)^[2*(1/2)] = x = 4^(1/2)
--> (-2)^1 = x = 4^(1/2)
--> (-2)^1 = x = sqrt (4)
--> - 2 = x = 2
By the colored portion in the quote, x = - 2 or 2. But in this
case, I have shown that x = - 2 [b]and 2. Is there any
contradictions?[/b]
isnt sqrt(x^2) mod x or |x| cause you wont know if the x was -2
or 2?
