Could someone please show me the intermediate steps of rewriting this

$$\pi(p,w) = p(\frac{w}{pa})^{\frac{a}{a-1}}-w(\frac{w}{pa})^{\frac{1}{a-1}}$$

to this

$$\pi(p,w) = w(\frac{1-a}{a})(\frac{w}{ap})^{\frac{1}{a-1}}$$

reinout

reinout-g
Jul 1, 2014