Problem $3$: Using MATLAB, obtain the partial$-$fraction expansion of

$\frac{B(s)}{A(s)}=\frac{s^4+17s^3+99s^2+223s+140}{s^5+32s^4+363s^3+2092s^2+5052s+4320}$

$\frac{B(s)}{A(s)}=\frac{2(s+3)(s+5)(s+7)}{s(s+8)(s^2+10s+100)}$