The trapezoidal rule to integrate a first-order ODE of the type dy=f(N) dt is defined as k+1 a) Is this scheme explicit or implicit, and why? b) Derive the precision of this time stepping scheme. The trapezoidal rule to integrate a first-order ODE of the type dy=f(N) dt is defined as k+1 a) Is this scheme explicit or implicit, and why? b) Derive the precision of this time stepping scheme