Question 950359
{{{ sqrt( x ) = x^k }}}
You can square both sides
{{{ x = x^(2k) }}}
Note that this is:
{{{ x^1 = x^(2k) }}}
{{{ 1 = 2k }}}
{{{ k = 1/2 }}}
So, I can now say:
{{{ sqrt(x) = x^(1/2) }}}
And, to prove it, you can square both sides again
{{{ x^1 = x^( 2*(1/2)) }}}
{{{ x^1 = x^1 }}}