Using MATLAB, obtain the partial-fraction expansion of B(s)/A(s) = s^4 + 17s^3 + 99s^2 + 223s + 140/s^5 + 32s^4 + 363s^3 + 2092s^2 + 5052s + 4320 B(s)/A(s) = 2(s + 3)(s + 5)(s + 7)/s(s + 8)(s^2 + 10s + 100)