Compute the moment of inertia of the plate of constant density rho described by -a lessthanorequalto x lessthanorequalto a and -b lessthanorequalto y lessthanorequalto b about the x axis. write your answer in terms of mass, a and b. (answ. i = 3/4 rho ab^3 or m/3 b^2 in terms of mass.)