Find the maximum attainable temperature of ideal gas in each of the following processes: (a) \(p=p_{0}-\alpha V^{2}\) (b) \(p=p_{0} \mathrm{e}^{-\beta V}\) where \(p_{0}, \alpha\) and \(\beta\) are positive constants, and \(V\) is the volume of one mole of gas.