[tex]w=\frac{k}{1-n}(v^{1-n}_{2}-v^{1-n}_{1})[/tex](adsbygoogle = window.adsbygoogle || []).push({});

let [tex]k=pv^n[/tex]

[tex]\frac {p_{2}v^{n}_{2}v^{1-n}_{2} - p_{1}v^{n}_{1}v^{1-n}_{1}}{1-n}[/tex]

how can this become

[tex]w=\frac {p_{1}v_{1} - p_{2}v_{2}}{n-1}[/tex]

thanks

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# Simplifying this equation

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