can you solve this question by using both differential and integral methods?

EP-2 A + B --2P, liquid phase reaction is conducted with equimolar initial concentrations of the reactants at 65C isothermal conditions in a batch reactor and the following data are collected. Find the reaction rate model and the value of the rate constant at the specified temperature. t, min 0 50 100 150 200 250 300 Ca mol/dm 0.05 0.038 0.0306 0.0256 0.0222 0.0195 0.0174