hiya

well ive been given the formula $\displaystyle (y/x)^a=be^-x$ cant make this end bit look right its to the power of -x

and I have to make it a linear formula...was thinking I'm probably going to have to take logs but was wondering if I should take ln e so I can eliminate the e out

OR does anyone know a better way to make this a linear formula

much help appriciated