Solve using MÄTLAB Let alpha 70 2. Consider the initia vaue problem dr dt-1.75x-2.5y, dt-4.5x +1.25y, y(0)=20 x(0) = 45-a, (a) Use the command ode45 to approximate the value of (5) and y(5) (b) Use the command dsolve to obtain the equations a(t) and y(t) that satisfy this initial value problem. (c) Plot the phase portrait of the ODESolve using MÄTLAB Let alpha 70 2. Consider the initia vaue problem dr dt-1.75x-2.5y, dt-4.5x +1.25y, y(0)=20 x(0) = 45-a, (a) Use the command ode45 to approximate the value of (5) and y(5) (b) Use the command dsolve to obtain the equations a(t) and y(t) that satisfy this initial value problem. (c) Plot the phase portrait of the ODE Show transcribed image text Solve using MÄTLAB Let alpha 70 2. Consider the initia vaue problem dr dt-1.75x-2.5y, dt-4.5x +1.25y, y(0)=20 x(0) = 45-a, (a) Use the command ode45 to approximate the value of (5) and y(5) (b) Use the command dsolve to obtain the equations a(t) and y(t) that satisfy this initial value problem. (c) Plot the phase portrait of the ODE