Question Number 43804 by vuckintv last updated on 15/Sep/18
$${solve}\:{for}\:\epsilon \\ $$$$ \\ $$$${s}\left(\mathrm{1}−\alpha\right)=\left(\mathrm{1}−\epsilon\right)\sigma{T}^{\mathrm{4}} \\ $$
Answered by MJS last updated on 16/Sep/18
$$\frac{{s}\left(\mathrm{1}−\alpha\right)}{\sigma{T}^{\mathrm{4}} }=\mathrm{1}−\epsilon \\ $$$$\epsilon=\mathrm{1}−\frac{{s}\left(\mathrm{1}−\alpha\right)}{\sigma{T}^{\mathrm{4}} } \\ $$