I don't get the last conversion. what is happening there?
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Originally Posted by thatsmessedup I don't get the last conversion. what is happening there? $\displaystyle \frac{1}{x} = x^{-1} $ $\displaystyle \frac{1}{x^b} = x^{-b} $ your $\displaystyle b = \frac{1}{2} $
so the lesson learned is a/a^b = a^b
Originally Posted by thatsmessedup so the lesson learned is a/a^b = a^b no, a/a^b = a^(-b) I think you meant the first fraction transformation: x/x^(1/2) which is the same as x^(1)/x^(1/2) which is the same as x^(1 - 1/2), do you get it now,
Neither $\displaystyle a/a^b= a^b$ nor $\displaystyle a/a^b= a^{b- 1}$ is correct. $\displaystyle a/a^b= a^{-b+1}$. $\displaystyle 1/a^b= a^{-b}$.
^^ got it! thanks
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