Which of the differential equations given below represents the system with the following block diagram representation: x(t) Select one: Oa. -3- O b. y(t) Oc.-3. - 5 d 2 dtzy (t) - O d. y(t) + d dtx(t) +; d 1 d 5 d -3 ty(t) +zdt y(t) ) = x(t) + 2 dtx(t) +; 1 d 5/2 5 d -y(t) 3 dt 3/2 - 3 d3 100 2 dt3 y(t): 2 dtx(t) = y(t) + 2 d 3 dt3 y(t) == -3 d =-3-7x(t) + dt 5 d A 1/2 1 d 3 dt 3 d3 2 dt3 x(t) 1 d 2 3 d 2 dt y(t)+zdt3 y(t) drz*(t) d dtz x(t) -x(t) + 2 y(t)